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Home Chronic Extremity Joint Pain-Suspected Inflammatory Arthritis, Crystalline Arthritis, or Erosive Osteoarthritis
Variants
Scenario Scenario ID Procedure Adult RRL Peds RRL Appropriateness Category
Foot pain, chronic, erosive osteoarthritis suspected, radiography inconclusive, next imaging study 3196212
US foot
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
MRI foot without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		May be appropriate
Image-guided aspiration foot

Varies
Varies 		Usually not appropriate
MRI foot without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT foot with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT foot without and with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT foot without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
Bone scan whole body
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
FDG-PET/CT whole body
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate