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Home Staging of Colorectal Cancer
Variants
Scenario Scenario ID Procedure Adult RRL Peds RRL Appropriateness Category
Rectal cancer, staging, locoregional, postneoadjuvant therapy 3194889
MRI pelvis without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI pelvis without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
US pelvis transrectal
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
(Disagreement)
CT abdomen and pelvis with IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
FDG-PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		May be appropriate
CT abdomen and pelvis without IV contrast
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT colonography
1-10 mSv
☢☢☢
Usually not appropriate
CT abdomen and pelvis without and with IV contrast
10-30 mSv
☢☢☢☢ 		10-30 mSv [ped]
☢☢☢☢☢ 		Usually not appropriate