ACR logo

ACR AC Portal

Home Inflammatory Back Pain: Known or Suspected Axial Spondyloarthropathy
Variants
Scenario Scenario ID Procedure Adult RRL Peds RRL Appropriateness Category
Inflammatory back pain, complete spine symptoms, axial spondyloarthritis suspected, radiography performed, next imaging study 3194626
MRI sacroiliac joints and complete spine without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI sacroiliac joints and complete spine without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI sacroiliac joints without and with IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
MRI sacroiliac joints without IV contrast
0 mSv
O 		0 mSv [ped]
O 		Usually appropriate
CT sacroiliac joints without IV contrast
1-10 mSv
☢☢☢
May be appropriate
CT sacroiliac joints and complete spine without IV contrast
10-30 mSv
☢☢☢☢
May be appropriate
US sacroiliac joints
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
US sacroiliac joints and complete spine
0 mSv
O 		0 mSv [ped]
O 		Usually not appropriate
Bone scan with SPECT or SPECT/CT sacroiliac joints
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
Bone scan with SPECT or SPECT/CT sacroiliac joints and complete spine
1-10 mSv
☢☢☢ 		3-10 mSv [ped]
☢☢☢☢ 		Usually not appropriate
CT sacroiliac joints with IV contrast
1-10 mSv
☢☢☢
Usually not appropriate
CT sacroiliac joints and complete spine with IV contrast
10-30 mSv
☢☢☢☢
Usually not appropriate
CT sacroiliac joints and complete spine without and with IV contrast
10-30 mSv
☢☢☢☢
Usually not appropriate
CT sacroiliac joints without and with IV contrast
10-30 mSv
☢☢☢☢
Usually not appropriate
Fluoride PET/CT skull base to mid-thigh
10-30 mSv
☢☢☢☢
Usually not appropriate
© 2025