Home Osteonecrosis
Scenario Scenario ID Procedure Adult RRL Peds RRL Appropriateness Category
Osteonecrosis suspected, tibia fibula, suspicious findings on radiography, next imaging study 3195741
MRI lower leg without IV contrast
0 mSv
O
0 mSv [ped]
O
Usually appropriate
MRI lower leg without and with IV contrast
0 mSv
O
0 mSv [ped]
O
May be appropriate
CT lower leg without IV contrast
0.1-1mSv
☢☢

May be appropriate
CT lower leg with IV contrast
0.1-1mSv
☢☢

Usually not appropriate
CT lower leg without and with IV contrast
0.1-1mSv
☢☢

Usually not appropriate
Bone scan leg
1-10 mSv
☢☢☢

Usually not appropriate