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Home Inflammatory Ear Disease
Variants
Scenario Scenario ID Procedure Adult RRL Peds RRL Appropriateness Category
Otitis externa, immunosuppressed, headache, initial imaging 3198586
MRI head and internal auditory canal without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT temporal bone with IV contrast
1-10 mSv
☢☢☢
Usually appropriate
MRI head without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT temporal bone without IV contrast
1-10 mSv
☢☢☢
May be appropriate
WBC scan with SPECT or SPECT/CT skull base
1-10 mSv
☢☢☢
May be appropriate
Radiography skull
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
MRI head and internal auditory canal with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI head and internal auditory canal 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
CT head and neck with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT head and neck without and with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT head and neck without IV contrast
1-10 mSv
☢☢☢
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 temporal bone without and with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate