MR Pediatric SI Joints WWO Protocol
Scan Notes: Images must be checked by radiologist or radiology resident before giving contrast and before the patient gets off the table.
Last updated:3/28/19
Charge as: Pelvis WWO
Scanner preference:
Coil: Torso or Cardiac
| Plane | Weighting | Mode | Slice | Gap | FAT SAT | FOV | Notes |
|---|---|---|---|---|---|---|---|
| COR OBL | T1 | TSE | 3mm | 0.5mm | None | Fit to Patient | Through SI joints and sacrum. (No need for entire pelvis). Angle parallel to long axis of sacrum. |
| COR OBL | T2 | STIR | 3mm | 0.5mm | SPAIR | Fit to Patient | Through SI joints and sacrum. (No need for entire pelvis). Angle parallel to long axis of sacrum. |
| AXIAL OBL | T2 | SPAIR | 4mm | 1mm | STIR | Fit to Patient | Through SI joints and sacrum. (No need for entire pelvis). Angle parallel to long axis of sacrum. |
Contrast injection
| Plane | Weighting | Mode | Slice | Gap | FAT SAT | FOV | Notes |
|---|---|---|---|---|---|---|---|
| COR OBL | T1 | TSE | 3mm | 0.5mm | THRIVE | Fit to Patient | Optional: For sacroiliitis. Through SI joints and sacrum. (No need for entire pelvis). Angle parallel to long axis of sacrum. |
| AXIAL OBL | T1 | TSE | 4mm | 1mm | WATS | Fit to Patient | Optional: For sacroiliitis. Through SI joints and sacrum. (No need for entire pelvis). Angle parallel to long axis of sacrum. |