MR Pediatric Renal Mass WWO Protocol

Scan Notes:   
- Images must be checked by radiologist or radiology resident before giving contrast and before the patient gets off the table. 
- Please do subtractions on mDixons: (subtraction = each of 3 post-contrast sequences – pre-contrast sequence).

Last updated:3/28/19
Charge as: Abdomen W/WO
Scanner preference: 1.5T or 3T
Coil: Torso or Cardiac

Plane Weighting Mode Slice Gap FAT SAT FOV Notes
AXIAL T1 TSE MV MS 3.5mm 1mm None Fit to Patient Above diaphragm to iliac crests
AXIAL T2 TSE MV MS 3.5mm 1mm SPAIR Fit to Patient Above diaphragm to iliac crests
COR STIR TSE MV MS 3.5mm 1mm STIR Fit to Patient Entire abdomen, skin to skin
SAG STIR TSE MV MS 3.5mm 1mm STIR Fit to Patient Entire abdomen, skin to skin
COR DWIBS IR EPI SS 5mm 1mm None Fit to Patient Entire abdomen, skin to skin
AXIAL 3D-mDixon pre 2.25eff Fit to Patient Scan kidneys (including all of mass, which may extend beyond usual margins of kidneys).
COR T1 TSE MV MS 3.5mm 1mm None Fit to Patient Optional: Only if requested by a radiologist.Entire abdomen, skin to skin

Contrast injection

Power Inject: Bolus trak in sagittal plane: trigger when contrast reaches SMA

Plane Weighting Mode Slice Gap FAT SAT FOV Notes
AXIAL 3 phase dynamic 3D-mDixon post 2.25eff Fit to Patient Bolus trak in sagittal plane: trigger when contrast reaches SMA: 3 phases, one right after another (roughly 30, 60, 90 seconds). Scan kidneys (including all of mass, which may extend beyond usual margins of kidneys).
AXIAL 3D-mDixon delayed 2.25eff Fit to Patient 4 minutes after contrast injection. Scan kidneys (including all of mass, which may extend beyond usual margins of kidneys).
AXIAL T1 TSE MV MS 3.5mm 1mm SPIR Fit to Patient Above diaphragm to iliac crests
COR T1 TSE MV MS 3.5mm 1mm SPIR Fit to Patient Entire abdomen, skin to skin
SAG T1 TSE MV MS 3.5mm 1mm SPIR Fit to Patient Optional: Only if requested by a radiologist.Entire abdomen, skin to skin