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Home Staging and Post-Therapy Assessment of Head and Neck Cancer
Variants
Scenario Scenario ID Procedure Adult RRL Peds RRL Appropriateness Category
Unknown primary head and neck cancer, initial staging 3196326
MRI orbits face neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually appropriate
US neck
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT chest with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT chest without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
FDG-PET/MRI skull base to mid-thigh
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
Radiography chest
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
Radiography paranasal sinuses
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRA neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT maxillofacial with IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT chest without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT head without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without and with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT neck without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT neck without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CTA neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
Larynx cancer suspected, initial staging 3196321
MRI orbits face neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually appropriate
US neck
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT chest with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT chest without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
FDG-PET/MRI skull base to mid-thigh
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
Radiography chest
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
Radiography paranasal sinuses
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRA neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT maxillofacial with IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT chest without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT head without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without and with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT neck without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT neck without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CTA neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
Hypopharynx cancer suspected, initial staging 3196319
MRI orbits face neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually appropriate
US neck
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT chest with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT chest without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
FDG-PET/MRI skull base to mid-thigh
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
Radiography chest
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
Radiography paranasal sinuses
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRA neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT maxillofacial with IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT chest without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT head without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without and with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT neck without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT neck without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CTA neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
Oropharynx cancer, initial staging 3196323
MRI orbits face neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually appropriate
US neck
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT chest with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT chest without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
FDG-PET/MRI skull base to mid-thigh
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
Radiography chest
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
Radiography paranasal sinuses
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRA neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT maxillofacial with IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT chest without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT head without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without and with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT neck without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT neck without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CTA neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
Larynx cancer, initial staging 3196325
MRI orbits face neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually appropriate
US neck
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT chest with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT chest without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
FDG-PET/MRI skull base to mid-thigh
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
Radiography chest
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
Radiography paranasal sinuses
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRA neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT maxillofacial with IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT chest without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT head without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without and with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT neck without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT neck without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CTA neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
Unknown primary head and neck cancer suspected, initial staging 3196320
MRI orbits face neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually appropriate
US neck
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT chest with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT chest without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
FDG-PET/MRI skull base to mid-thigh
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
Radiography chest
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
Radiography paranasal sinuses
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRA neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT maxillofacial with IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT chest without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT head without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without and with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT neck without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT neck without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CTA neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
Oropharynx cancer suspected, initial staging 3196318
MRI orbits face neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually appropriate
US neck
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT chest with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT chest without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
FDG-PET/MRI skull base to mid-thigh
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
Radiography chest
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
Radiography paranasal sinuses
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRA neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT maxillofacial with IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT chest without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT head without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without and with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT neck without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT neck without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CTA neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
Oral cavity cancer suspected, initial staging 3196317
MRI orbits face neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually appropriate
US neck
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT chest with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT chest without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
FDG-PET/MRI skull base to mid-thigh
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
Radiography chest
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
Radiography paranasal sinuses
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRA neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT maxillofacial with IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT chest without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT head without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without and with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT neck without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT neck without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CTA neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
Hypopharynx cancer, initial staging 3196324
MRI orbits face neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually appropriate
US neck
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT chest with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT chest without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
FDG-PET/MRI skull base to mid-thigh
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
Radiography chest
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
Radiography paranasal sinuses
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRA neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT maxillofacial with IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT chest without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT head without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without and with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT neck without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT neck without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CTA neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
Oral cavity cancer, initial staging 3196322
MRI orbits face neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually appropriate
US neck
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT chest with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT chest without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
FDG-PET/MRI skull base to mid-thigh
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
Radiography chest
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
Radiography paranasal sinuses
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRA neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT maxillofacial with IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT chest without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT head without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without and with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT neck without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT neck without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CTA neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
Scenario Scenario ID Procedure Adult RRL Peds RRL Appropriateness Category
Unknown primary head and neck cancer, EBV-associated, initial staging 3196328
MRI orbits face neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually appropriate
FDG-PET/MRI skull base to mid-thigh
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually appropriate
US neck
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI head without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT maxillofacial with IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		May be appropriate
(Disagreement)
CT maxillofacial without IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		May be appropriate
(Disagreement)
CT chest with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT chest without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
Radiography chest
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
Radiography paranasal sinuses
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRA neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT chest without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT head without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without and with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT neck without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT neck without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CTA neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
Nasopharynx cancer, initial staging 3196330
MRI orbits face neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually appropriate
FDG-PET/MRI skull base to mid-thigh
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually appropriate
US neck
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI head without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT maxillofacial with IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		May be appropriate
(Disagreement)
CT maxillofacial without IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		May be appropriate
(Disagreement)
CT chest with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT chest without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
Radiography chest
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
Radiography paranasal sinuses
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRA neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT chest without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT head without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without and with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT neck without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT neck without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CTA neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
Nasopharynx cancer suspected, initial staging 3196329
MRI orbits face neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually appropriate
FDG-PET/MRI skull base to mid-thigh
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually appropriate
US neck
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI head without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT maxillofacial with IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		May be appropriate
(Disagreement)
CT maxillofacial without IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		May be appropriate
(Disagreement)
CT chest with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT chest without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
Radiography chest
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
Radiography paranasal sinuses
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRA neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT chest without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT head without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without and with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT neck without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT neck without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CTA neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
Unknown primary head and neck cancer suspected, EBV-associated, initial staging 3196331
MRI orbits face neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually appropriate
FDG-PET/MRI skull base to mid-thigh
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually appropriate
US neck
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI head without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT maxillofacial with IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		May be appropriate
(Disagreement)
CT maxillofacial without IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		May be appropriate
(Disagreement)
CT chest with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT chest without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
Radiography chest
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
Radiography paranasal sinuses
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRA neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT chest without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT head without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without and with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT neck without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT neck without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CTA neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
Scenario Scenario ID Procedure Adult RRL Peds RRL Appropriateness Category
Nasal cavity cancer suspected, initial staging 3196336
MRI orbits face neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually appropriate
US neck
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI head without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT maxillofacial with IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		May be appropriate
CT maxillofacial without IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		May be appropriate
(Disagreement)
CT chest with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT chest without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
FDG-PET/MRI skull base to mid-thigh
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
Radiography chest
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
Radiography paranasal sinuses
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRA neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT chest without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT head without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without and with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT neck without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT neck without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CTA neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
Paranasal sinuses cancer suspected, initial staging 3196334
MRI orbits face neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually appropriate
US neck
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI head without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT maxillofacial with IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		May be appropriate
CT maxillofacial without IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		May be appropriate
(Disagreement)
CT chest with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT chest without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
FDG-PET/MRI skull base to mid-thigh
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
Radiography chest
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
Radiography paranasal sinuses
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRA neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT chest without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT head without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without and with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT neck without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT neck without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CTA neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
Nasal cavity cancer, initial staging 3196333
MRI orbits face neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually appropriate
US neck
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI head without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT maxillofacial with IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		May be appropriate
CT maxillofacial without IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		May be appropriate
(Disagreement)
CT chest with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT chest without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
FDG-PET/MRI skull base to mid-thigh
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
Radiography chest
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
Radiography paranasal sinuses
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRA neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT chest without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT head without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without and with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT neck without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT neck without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CTA neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
Paranasal sinuses cancer, initial staging 3196335
MRI orbits face neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually appropriate
US neck
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI head without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT maxillofacial with IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		May be appropriate
CT maxillofacial without IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		May be appropriate
(Disagreement)
CT chest with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT chest without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
FDG-PET/MRI skull base to mid-thigh
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
Radiography chest
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
Radiography paranasal sinuses
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRA neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT chest without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT head without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without and with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT neck without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT neck without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CTA neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
Scenario Scenario ID Procedure Adult RRL Peds RRL Appropriateness Category
Major salivary gland cancer, initial staging 3196341
MRI orbits face neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually appropriate
US neck
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT chest with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT chest without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
FDG-PET/MRI skull base to mid-thigh
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
Radiography chest
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
Radiography paranasal sinuses
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRA neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT maxillofacial with IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT chest without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT head without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without and with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT neck without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT neck without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CTA neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
Parotid gland cancer, initial staging 3196345
MRI orbits face neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually appropriate
US neck
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT chest with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT chest without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
FDG-PET/MRI skull base to mid-thigh
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
Radiography chest
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
Radiography paranasal sinuses
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRA neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT maxillofacial with IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT chest without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT head without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without and with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT neck without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT neck without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CTA neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
Sublingual gland cancer suspected, initial staging 3196343
MRI orbits face neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually appropriate
US neck
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT chest with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT chest without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
FDG-PET/MRI skull base to mid-thigh
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
Radiography chest
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
Radiography paranasal sinuses
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRA neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT maxillofacial with IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT chest without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT head without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without and with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT neck without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT neck without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CTA neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
Submandibular gland cancer, initial staging 3196338
MRI orbits face neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually appropriate
US neck
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT chest with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT chest without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
FDG-PET/MRI skull base to mid-thigh
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
Radiography chest
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
Radiography paranasal sinuses
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRA neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT maxillofacial with IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT chest without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT head without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without and with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT neck without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT neck without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CTA neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
Submandibular gland cancer suspected, initial staging 3196342
MRI orbits face neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually appropriate
US neck
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT chest with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT chest without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
FDG-PET/MRI skull base to mid-thigh
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
Radiography chest
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
Radiography paranasal sinuses
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRA neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT maxillofacial with IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT chest without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT head without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without and with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT neck without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT neck without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CTA neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
Major salivary gland cancer suspected, initial staging 3196340
MRI orbits face neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually appropriate
US neck
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT chest with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT chest without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
FDG-PET/MRI skull base to mid-thigh
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
Radiography chest
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
Radiography paranasal sinuses
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRA neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT maxillofacial with IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT chest without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT head without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without and with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT neck without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT neck without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CTA neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
Parotid gland cancer suspected, initial staging 3196344
MRI orbits face neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually appropriate
US neck
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT chest with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT chest without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
FDG-PET/MRI skull base to mid-thigh
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
Radiography chest
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
Radiography paranasal sinuses
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRA neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT maxillofacial with IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT chest without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT head without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without and with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT neck without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT neck without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CTA neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
Sublingual gland cancer, initial staging 3196339
MRI orbits face neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually appropriate
US neck
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT chest with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT chest without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
FDG-PET/MRI skull base to mid-thigh
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
Radiography chest
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
Radiography paranasal sinuses
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRA neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT maxillofacial with IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT chest without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT head without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without and with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT neck without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT neck without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CTA neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
Scenario Scenario ID Procedure Adult RRL Peds RRL Appropriateness Category
Larynx cancer, treated, recurrence suspected, follow-up imaging 3196355
MRI orbits face neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually appropriate
US neck
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT chest with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT chest without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
FDG-PET/MRI skull base to mid-thigh
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
Radiography chest
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
Radiography paranasal sinuses
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRA neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT maxillofacial with IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT chest without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT head without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without and with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT neck without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT neck without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CTA neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
Larynx cancer, treated, surveillance imaging 3196350
MRI orbits face neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually appropriate
US neck
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT chest with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT chest without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
FDG-PET/MRI skull base to mid-thigh
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
Radiography chest
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
Radiography paranasal sinuses
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRA neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT maxillofacial with IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT chest without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT head without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without and with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT neck without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT neck without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CTA neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
Oral cavity cancer, treated, recurrence, follow-up imaging 3196357
MRI orbits face neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually appropriate
US neck
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT chest with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT chest without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
FDG-PET/MRI skull base to mid-thigh
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
Radiography chest
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
Radiography paranasal sinuses
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRA neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT maxillofacial with IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT chest without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT head without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without and with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT neck without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT neck without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CTA neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
Unknown primary of the head and neck cancer, treated, recurrence, follow-up imaging 3196361
MRI orbits face neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually appropriate
US neck
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT chest with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT chest without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
FDG-PET/MRI skull base to mid-thigh
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
Radiography chest
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
Radiography paranasal sinuses
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRA neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT maxillofacial with IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT chest without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT head without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without and with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT neck without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT neck without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CTA neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
Oral cavity cancer, treated, recurrence suspected, follow-up imaging 3196352
MRI orbits face neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually appropriate
US neck
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT chest with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT chest without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
FDG-PET/MRI skull base to mid-thigh
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
Radiography chest
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
Radiography paranasal sinuses
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRA neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT maxillofacial with IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT chest without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT head without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without and with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT neck without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT neck without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CTA neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
Hypopharynx cancer, treated, recurrence, follow-up imaging 3196359
MRI orbits face neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually appropriate
US neck
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT chest with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT chest without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
FDG-PET/MRI skull base to mid-thigh
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
Radiography chest
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
Radiography paranasal sinuses
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRA neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT maxillofacial with IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT chest without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT head without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without and with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT neck without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT neck without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CTA neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
Oral cavity cancer, treated, surveillance imaging 3196347
MRI orbits face neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually appropriate
US neck
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT chest with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT chest without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
FDG-PET/MRI skull base to mid-thigh
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
Radiography chest
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
Radiography paranasal sinuses
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRA neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT maxillofacial with IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT chest without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT head without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without and with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT neck without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT neck without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CTA neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
Hypopharynx cancer, treated, recurrence suspected, follow-up imaging 3196354
MRI orbits face neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually appropriate
US neck
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT chest with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT chest without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
FDG-PET/MRI skull base to mid-thigh
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
Radiography chest
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
Radiography paranasal sinuses
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRA neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT maxillofacial with IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT chest without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT head without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without and with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT neck without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT neck without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CTA neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
Oropharynx cancer, treated, recurrence, follow-up imaging 3196358
MRI orbits face neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually appropriate
US neck
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT chest with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT chest without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
FDG-PET/MRI skull base to mid-thigh
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
Radiography chest
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
Radiography paranasal sinuses
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRA neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT maxillofacial with IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT chest without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT head without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without and with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT neck without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT neck without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CTA neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
Unknown primary of the head and neck cancer, treated, recurrence suspected, follow-up imaging 3196356
MRI orbits face neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually appropriate
US neck
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT chest with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT chest without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
FDG-PET/MRI skull base to mid-thigh
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
Radiography chest
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
Radiography paranasal sinuses
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRA neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT maxillofacial with IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT chest without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT head without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without and with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT neck without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT neck without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CTA neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
Unknown primary of the head and neck cancer, treated, surveillance imaging 3196351
MRI orbits face neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually appropriate
US neck
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT chest with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT chest without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
FDG-PET/MRI skull base to mid-thigh
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
Radiography chest
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
Radiography paranasal sinuses
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRA neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT maxillofacial with IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT chest without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT head without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without and with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT neck without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT neck without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CTA neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
Hypopharynx cancer, treated, surveillance imaging 3196349
MRI orbits face neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually appropriate
US neck
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT chest with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT chest without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
FDG-PET/MRI skull base to mid-thigh
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
Radiography chest
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
Radiography paranasal sinuses
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRA neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT maxillofacial with IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT chest without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT head without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without and with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT neck without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT neck without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CTA neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
Oropharynx cancer, treated, recurrence suspected, follow-up imaging 3196353
MRI orbits face neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually appropriate
US neck
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT chest with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT chest without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
FDG-PET/MRI skull base to mid-thigh
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
Radiography chest
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
Radiography paranasal sinuses
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRA neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT maxillofacial with IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT chest without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT head without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without and with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT neck without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT neck without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CTA neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
Oropharynx cancer, treated, surveillance imaging 3196348
MRI orbits face neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually appropriate
US neck
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT chest with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT chest without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
FDG-PET/MRI skull base to mid-thigh
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
Radiography chest
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
Radiography paranasal sinuses
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRA neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT maxillofacial with IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT chest without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT head without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without and with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT neck without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT neck without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CTA neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
Larynx cancer, treated, recurrence, follow-up imaging 3196360
MRI orbits face neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually appropriate
US neck
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT chest with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT chest without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
FDG-PET/MRI skull base to mid-thigh
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
Radiography chest
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
Radiography paranasal sinuses
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRA neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT maxillofacial with IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT chest without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT head without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without and with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT neck without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT neck without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CTA neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
Scenario Scenario ID Procedure Adult RRL Peds RRL Appropriateness Category
Unknown primary of the head and neck cancer, treated, EBV-associated, recurrence suspected, follow-up imaging 3196366
MRI orbits face neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually appropriate
FDG-PET/MRI skull base to mid-thigh
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually appropriate
US neck
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI head without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT maxillofacial with IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		May be appropriate
(Disagreement)
CT maxillofacial without IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		May be appropriate
(Disagreement)
CT chest with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT chest without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
Radiography chest
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
Radiography paranasal sinuses
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRA neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT chest without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT head without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without and with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT neck without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT neck without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CTA neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
Nasopharynx cancer, treated, surveillance imaging 3196363
MRI orbits face neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually appropriate
FDG-PET/MRI skull base to mid-thigh
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually appropriate
US neck
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI head without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT maxillofacial with IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		May be appropriate
(Disagreement)
CT maxillofacial without IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		May be appropriate
(Disagreement)
CT chest with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT chest without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
Radiography chest
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
Radiography paranasal sinuses
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRA neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT chest without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT head without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without and with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT neck without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT neck without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CTA neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
Unknown primary of the head and neck cancer, treated, EBV-associated, recurrence, follow-up imaging 3196368
MRI orbits face neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually appropriate
FDG-PET/MRI skull base to mid-thigh
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually appropriate
US neck
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI head without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT maxillofacial with IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		May be appropriate
(Disagreement)
CT maxillofacial without IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		May be appropriate
(Disagreement)
CT chest with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT chest without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
Radiography chest
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
Radiography paranasal sinuses
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRA neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT chest without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT head without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without and with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT neck without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT neck without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CTA neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
Nasopharynx cancer, treated, recurrence, follow-up imaging 3196367
MRI orbits face neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually appropriate
FDG-PET/MRI skull base to mid-thigh
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually appropriate
US neck
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI head without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT maxillofacial with IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		May be appropriate
(Disagreement)
CT maxillofacial without IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		May be appropriate
(Disagreement)
CT chest with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT chest without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
Radiography chest
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
Radiography paranasal sinuses
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRA neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT chest without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT head without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without and with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT neck without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT neck without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CTA neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
Nasopharynx cancer, treated, recurrence suspected, follow-up imaging 3196365
MRI orbits face neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually appropriate
FDG-PET/MRI skull base to mid-thigh
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually appropriate
US neck
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI head without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT maxillofacial with IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		May be appropriate
(Disagreement)
CT maxillofacial without IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		May be appropriate
(Disagreement)
CT chest with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT chest without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
Radiography chest
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
Radiography paranasal sinuses
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRA neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT chest without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT head without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without and with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT neck without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT neck without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CTA neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
Unknown primary of the head and neck cancer, treated, EBV-associated, surveillance imaging 3196364
MRI orbits face neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually appropriate
FDG-PET/MRI skull base to mid-thigh
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually appropriate
US neck
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI head without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT maxillofacial with IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		May be appropriate
(Disagreement)
CT maxillofacial without IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		May be appropriate
(Disagreement)
CT chest with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT chest without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
Radiography chest
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
Radiography paranasal sinuses
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRA neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT chest without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT head without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without and with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT neck without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT neck without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CTA neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
Scenario Scenario ID Procedure Adult RRL Peds RRL Appropriateness Category
Nasal cavity cancer, treated, recurrence, follow-up imaging 3196375
MRI orbits face neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually appropriate
US neck
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI head without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT maxillofacial with IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		May be appropriate
CT maxillofacial without IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		May be appropriate
CT chest with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT chest without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
FDG-PET/MRI skull base to mid-thigh
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
Radiography chest
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
Radiography paranasal sinuses
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRA neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT chest without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT head without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without and with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT neck without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT neck without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CTA neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
Paranasal sinuses cancer, treated, surveillance imaging 3196370
MRI orbits face neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually appropriate
US neck
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI head without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT maxillofacial with IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		May be appropriate
CT maxillofacial without IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		May be appropriate
CT chest with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT chest without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
FDG-PET/MRI skull base to mid-thigh
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
Radiography chest
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
Radiography paranasal sinuses
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRA neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT chest without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT head without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without and with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT neck without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT neck without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CTA neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
Paranasal sinuses cancer, treated, recurrence suspected, follow-up imaging 3196372
MRI orbits face neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually appropriate
US neck
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI head without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT maxillofacial with IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		May be appropriate
CT maxillofacial without IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		May be appropriate
CT chest with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT chest without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
FDG-PET/MRI skull base to mid-thigh
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
Radiography chest
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
Radiography paranasal sinuses
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRA neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT chest without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT head without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without and with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT neck without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT neck without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CTA neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
Paranasal sinuses cancer, treated, recurrence, follow-up imaging 3196374
MRI orbits face neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually appropriate
US neck
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI head without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT maxillofacial with IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		May be appropriate
CT maxillofacial without IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		May be appropriate
CT chest with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT chest without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
FDG-PET/MRI skull base to mid-thigh
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
Radiography chest
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
Radiography paranasal sinuses
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRA neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT chest without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT head without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without and with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT neck without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT neck without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CTA neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
Nasal cavity cancer, treated, recurrence suspected, follow-up imaging 3196373
MRI orbits face neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually appropriate
US neck
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI head without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT maxillofacial with IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		May be appropriate
CT maxillofacial without IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		May be appropriate
CT chest with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT chest without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
FDG-PET/MRI skull base to mid-thigh
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
Radiography chest
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
Radiography paranasal sinuses
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRA neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT chest without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT head without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without and with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT neck without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT neck without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CTA neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
Nasal cavity cancer, treated, surveillance imaging 3196371
MRI orbits face neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually appropriate
US neck
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI head without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT maxillofacial with IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		May be appropriate
CT maxillofacial without IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		May be appropriate
CT chest with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT chest without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
FDG-PET/MRI skull base to mid-thigh
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
Radiography chest
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
Radiography paranasal sinuses
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRA neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT chest without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT head without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without and with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT neck without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT neck without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CTA neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
Scenario Scenario ID Procedure Adult RRL Peds RRL Appropriateness Category
Parotid gland cancer, treated, surveillance imaging 3196377
MRI orbits face neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually appropriate
US neck
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT chest with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT chest without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
FDG-PET/MRI skull base to mid-thigh
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
Radiography chest
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
Radiography paranasal sinuses
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRA neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT maxillofacial with IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT chest without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT head without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without and with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT neck without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT neck without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CTA neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
Major salivary gland cancer, treated, recurrence suspected, follow-up imaging 3196384
MRI orbits face neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually appropriate
US neck
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT chest with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT chest without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
FDG-PET/MRI skull base to mid-thigh
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
Radiography chest
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
Radiography paranasal sinuses
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRA neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT maxillofacial with IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT chest without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT head without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without and with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT neck without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT neck without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CTA neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
Sublingual gland cancer, treated, surveillance imaging 3196379
MRI orbits face neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually appropriate
US neck
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT chest with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT chest without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
FDG-PET/MRI skull base to mid-thigh
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
Radiography chest
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
Radiography paranasal sinuses
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRA neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT maxillofacial with IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT chest without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT head without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without and with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT neck without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT neck without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CTA neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
Major salivary gland cancer, treated, recurrence, follow-up imaging 3196388
MRI orbits face neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually appropriate
US neck
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT chest with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT chest without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
FDG-PET/MRI skull base to mid-thigh
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
Radiography chest
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
Radiography paranasal sinuses
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRA neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT maxillofacial with IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT chest without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT head without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without and with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT neck without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT neck without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CTA neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
Submandibular gland cancer, treated, recurrence, follow-up imaging 3196386
MRI orbits face neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually appropriate
US neck
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT chest with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT chest without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
FDG-PET/MRI skull base to mid-thigh
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
Radiography chest
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
Radiography paranasal sinuses
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRA neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT maxillofacial with IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT chest without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT head without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without and with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT neck without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT neck without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CTA neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
Parotid gland cancer, treated, recurrence suspected, follow-up imaging 3196381
MRI orbits face neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually appropriate
US neck
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT chest with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT chest without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
FDG-PET/MRI skull base to mid-thigh
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
Radiography chest
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
Radiography paranasal sinuses
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRA neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT maxillofacial with IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT chest without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT head without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without and with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT neck without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT neck without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CTA neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
Parotid gland cancer, treated, recurrence, follow-up imaging 3196385
MRI orbits face neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually appropriate
US neck
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT chest with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT chest without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
FDG-PET/MRI skull base to mid-thigh
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
Radiography chest
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
Radiography paranasal sinuses
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRA neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT maxillofacial with IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT chest without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT head without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without and with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT neck without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT neck without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CTA neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
Sublingual gland cancer, treated, recurrence suspected, follow-up imaging 3196383
MRI orbits face neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually appropriate
US neck
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT chest with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT chest without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
FDG-PET/MRI skull base to mid-thigh
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
Radiography chest
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
Radiography paranasal sinuses
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRA neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT maxillofacial with IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT chest without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT head without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without and with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT neck without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT neck without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CTA neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
Submandibular gland cancer, treated, surveillance imaging 3196378
MRI orbits face neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually appropriate
US neck
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT chest with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT chest without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
FDG-PET/MRI skull base to mid-thigh
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
Radiography chest
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
Radiography paranasal sinuses
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRA neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT maxillofacial with IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT chest without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT head without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without and with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT neck without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT neck without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CTA neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
Major salivary gland cancer, treated, surveillance imaging 3196380
MRI orbits face neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually appropriate
US neck
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT chest with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT chest without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
FDG-PET/MRI skull base to mid-thigh
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
Radiography chest
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
Radiography paranasal sinuses
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRA neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT maxillofacial with IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT chest without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT head without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without and with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT neck without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT neck without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CTA neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
Sublingual gland cancer, treated, recurrence, follow-up imaging 3196387
MRI orbits face neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually appropriate
US neck
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT chest with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT chest without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
FDG-PET/MRI skull base to mid-thigh
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
Radiography chest
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
Radiography paranasal sinuses
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRA neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT maxillofacial with IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT chest without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT head without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without and with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT neck without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT neck without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CTA neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
Submandibular gland cancer, treated, recurrence suspected, follow-up imaging 3196382
MRI orbits face neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually appropriate
US neck
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT chest with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT chest without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
FDG-PET/MRI skull base to mid-thigh
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
Radiography chest
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
Radiography paranasal sinuses
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually not appropriate
MRA neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI orbits face neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT maxillofacial with IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without IV contrast
0.1-1mSv
☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT chest without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT head without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT head without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT maxillofacial without and with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CT neck without and with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT neck without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
CTA neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually not appropriate
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