MR Adult Ankle WO Protocol

Revised - 12/12/2012

Charge as Ankle WO

3T Scanner Only. Use Foot/ankle/Flex Coil
Localizer
(REF scan)
Mode Slice Gap FAT SAT FOV Scan Range
AXIAL PD (TE=20msec) TSE 4mm 1mm None 15cm Bottom of heel to above malleolus
AXIAL Mid TE=40 T2 Fat Sat TSE 4mm 1mm SPAIR 15cm Bottom of heel to above malleolus
SAG T2 STIR TSE 3mm 1mm STIR 15cm Angle to Calcaneus
COR T1 TSE 3mm 1mm None 15cm Include Tarsals
COR Mid TE=40 T2 Fat Sat TSE 3mm 1mm SPAIR 15cm Include Tarsals

Notes:

For Ligament Tear, Trauma, AVN, Stress F/x, Plantar Fasciitis
If sag T2 Fat Sat has poor fat suppression, consider STIR (TE=40) instead.
If hardware is present:
  • Do axial non-fat-sat mid-TE instead of fat-sat
  • Keep sagittal STIR
  • Do coronal STIR instead of fat-sat mid-TE
If with Contrast, do non-fat-sat T1 post-contrast

MR Ankle WO