MR Peds Appendicitis WO Protocol

Notes

Last updated: 1/13/2022
Charge as: Abdomen WO
Scanner preference: MRI 1, 2, 4  only
Coil: Torso
Scan Time: Approximately 20-30 minutes for cooperative patient

Radiologist Notes: 

  • No radiologist check needed
  • Run 3 Plane T2 sequences first
  • Check notes for each sequence before sending images to Pacs
  • If patient cannot hold breath or cooperate with exam, use a negative slice gap equal to one-half the slice thickness (e.g., a 50% slice overlap, so if you are using 4mm slices, use a -2mm gap) and run the sequences without breath holds.
Plane Weighting Mode Slice Gap FS FOV Notes
COR T2 Single-Shot BH 3-4mm -1.0mm None Above Diaphragm to below pubic symphysis Cover through abdominal walls.
AX T2 Single-Shot BH 3-5mm -1.0mm None Cover entire kidneys through pubic symphysis. OK to clip liver.
SAG T2 Single-Shot BH 3-4mm -1.0mm None Fit to Patient Cover through abdominal walls.
AX mDixon BH 2.25mm (3D volume) None Cover entire kidneys through pubic symphysis. OK to clip liver. Send all phases to PACS.
AX DWI (b1000 only) RT 5mm 1mm SPIR Cover entire kidneys through pubic symphysis. Send b1000 and ADC images only.
AX T2 FS TSE 3.5mm 0mm SPAIR Cover entire kidneys through pubic symphysis. Do not use older protocol SSFSE fat sat