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Home Head Trauma
Variants
Scenario Scenario ID Procedure Adult RRL Peds RRL Appropriateness Category
Head trauma, CSF leak suspected, initial imaging 3100806
CT maxillofacial without IV contrast
0.1-1mSv
☢☢
Usually appropriate
CT head without IV contrast
1-10 mSv
☢☢☢ 		0.3-3 mSv [ped]
☢☢☢ 		Usually appropriate
CT temporal bone without IV contrast
1-10 mSv
☢☢☢
Usually appropriate
MRI head without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT head cisternography
1-10 mSv
☢☢☢
May be appropriate
DTPA cisternography
1-10 mSv
☢☢☢
May be appropriate
Radiography skull
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
MR spectroscopy head without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI functional (fMRI) head 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 with DTI
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT maxillofacial with 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 maxillofacial without and with IV contrast
1-10 mSv
☢☢☢
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
FDG-PET/CT brain
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
SPECT or SPECT/CT brain perfusion
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate