ACR logo

ACR AC Portal

Home Soft Tissue Masses
Variants
Scenario Scenario ID Procedure Adult RRL Peds RRL Appropriateness Category
Soft tissue mass, lower leg, radiography and noncontrast US nondiagnostic, next imaging study 3196264
MRI lower leg without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI lower leg without IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
CT lower leg with IV contrast
0.1-1mSv
☢☢
May be appropriate
CT lower leg without and with IV contrast
0.1-1mSv
☢☢
May be appropriate
US lower leg with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Image-guided biopsy leg

Varies
Varies 		Usually not appropriate
Image-guided fine needle aspiration leg

Varies
Varies 		Usually not appropriate
CT lower leg without IV contrast
0.1-1mSv
☢☢
Usually not appropriate
FDG-PET/CT whole body
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate