Perirectal Fistula 

 • Patient should empty bladder before scanning
1. SCOUT
2. AXIAL HASTE – entire pelvis
3. CORONAL HASTE – entire pelvis
4. AXIAL DIFFUSION – b values of 50, 400 and 800
5. SAGITTAL T2 BLADE

MD check for rectal/anal canal plane

6. AXIAL OBLIQUE T2 FS – small FOV, high resolution
7. AXIAL OBLIQUE T2– small FOV, high resolution
8. CORONAL OBLIQUE T2 FS – small FOV, high resolution
9. CORONAL OBLIQUE T2– small FOV, high resolution
10. AXIAL OBLIQUE VIBE
11. CORONAL OBLIQUE VIBE

Inject contrast

12. AXIAL OBLIQUE VIBE
13. CORONAL OBLIQUE VIBE
14. SAGITTAL VIBE