MR Adult Lumbosacral Plexus Protocol

Revised - 6/26/2012
Charge as Pelvis WO or Pelvis WWO
Use XL Torso Coil
Localizer
(REF scan)
Mode Slice Gap FAT SAT FOV Scan Range
AXIAL OBL T1 TSE 3mm 1mm None 25cm See below
AXIAL OBL Mid TE (50-60) T2 Fat Sat TSE 3mm 1mm SPAIR 25cm See below
COR OBL T1 TSE 3mm 1mm None 25cm See below
COR OBL Mid TE (50-60) T2 Fat Sat TSE 3mm 1mm SPAIR 25cm See below
Contrast Injection (OPTIONAL)
AXIAL OBL T1 Fat Sat TSE 3mm 1mm SPIR 25cm See below
COR OBL T1 Fat Sat TSE 3mm 1mm SPIR 25cm See below

Notes: Angle OBLIQUE to sacrum

FOV:
Craniocaudad = L5 thru lesser trochanters
AP = sacrum thru pubic symphysis
Transverse = greater trochanter to greater trochanter

If hardware is present:

  • Do Axial and Coronal STIR instead of fat-sat mid-TE
  • If with Contrast, do non-fat-sat T1 post-contrast

MR MSK Lumbosacral Plexus