Mri Sacroiliac Joints (Si Joints)
MRI Protocol
MSK
Indications
Evaluation of sacroiliac joint pathology including sacroiliitis, ankylosing spondylitis, axial spondyloarthropathy, and inflammatory back pain. MRI is the gold standard for detecting early inflammatory changes before radiographic changes appear.
Sequences
| Sequence | Contrast |
|---|---|
| COR T1 SI Joints | Pre-contrast |
| COR STIR SI Joints | Pre-contrast |
| AX T1 SI Joints | Pre-contrast |
| AX STIR SI Joints | Pre-contrast |
| SAG STIR Lumbar (optional) | Pre-contrast |