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Veterinary Shoulder MRI Guide (v1)
By: Scott Johnson MS RT (R)(MR)
Positioning
- Spine Coil
- Side of interest down
- Wedge under sternum
- Pull side up forelimb caudally
- Pull side down forelimb cranially until humerus is roughly perpendicular to sternum
- The idea is to get the forelimb in a relatively neutral position
- PALPATE SHOULDER JOINT
- NOTE WHICH COILS THE JOINT IS OVER
- 34 or 345 etc etc
First steps before scanning
- Register patient
- Adjust patient position to be either Left or Right decubitus, depending on side of interest
- Open first scout image
- Change spine coil selection to match the coils you noted inside the room
- APPLY ALL
- When in doubt, choose more coils
Second scout
- Open scout
- Maximize image
- Click on ‘report cursor’
- Scroll through your images to find the shoulder joint on a transverse or a dorsal
- Place cursor within the shoulder joint
- Record the coordinates
- Something like L30 P10 S20 etc
- Will be different every patient
- Input these coordinates with letters into the corresponding start/end points
- Save, prep, scan
| Axial Scout: Looks like dorsal spine |  |
| Dorsal Scout: Looks like axial spine | |