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Home Imaging After Total Knee Arthroplasty
Variants
Scenario Scenario ID Procedure Adult RRL Peds RRL Appropriateness Category
Knee replaced, follow-up, asymptomatic, initial imaging 3196563
Radiography knee
<0.1 mSv
☢ 		<0.03 mSv [ped]
☢ 		Usually appropriate
US knee
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Fluoroscopy knee
<0.1 mSv
☢
Usually not appropriate
Image-guided aspiration knee

Varies
Varies 		Usually not appropriate
MRI knee without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
MRI knee without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
CT arthrography knee
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT knee with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT knee without and with IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
CT knee without IV contrast
<0.1 mSv
☢ 		0.03-0.3 mSv [ped]
☢☢ 		Usually not appropriate
3-phase bone scan knee
1-10 mSv
☢☢☢
Usually not appropriate
FDG-PET/CT whole body
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Fluoride PET/CT whole body
10-30 mSv
☢☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
WBC scan and sulfur colloid scan knee
10-30 mSv
☢☢☢☢
Usually not appropriate