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Home Cranial Neuropathy
Variants
Scenario Scenario ID Procedure Adult RRL Peds RRL Appropriateness Category
Head and neck cancer, perineural tumor spread suspected, initial imaging 3195239
MRI head without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI orbits face neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI head without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI orbits face neck without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT maxillofacial with IV contrast
0.1-1mSv
☢☢
May be appropriate
CT neck with IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		May be appropriate
US neck
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA head and neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA head and neck without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRA head and 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 orbits face neck with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT maxillofacial without IV contrast
0.1-1mSv
☢☢
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
☢☢☢
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
CT temporal bone with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT temporal bone without and with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT temporal bone without IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CTA head and neck with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate