MR Pediatric Abdomen/ Pelvis Appendicitis WO Protocol (aka "Quick Appendicitis" scan)
Revised - 6/4/2018
Charge as Abdomen WO
1.5T Scanner ONLY
Scan time approximately 10 minutes
Run 3 Plane T2 sequences first
Check notes for each sequence before sending images to Pacs
|Sequence||Mode||Slice||Gap||FAT SAT||FOV||Scan Range|
|Localizer (REF Scan)|
|COR||T2 Single-Shot||BH||3-4mm||0.5mm||None||Fit to Patient||Above Diaphragm to below pubic symphysis|
|AX||T2 Single-Shot||BH||3-5mm||1mm||None||Fit to Patient||Two stacks – above diaphragm to below pubic symphysis.|
||BH||3-4mm||0.5mm||None||Fit to Patient||Above diaphragm to below pubic symphysis. Cover through abdominal walls.|
|AX||mDixon||BH||2.25mm (3D volume)||None||Fit to Patient||Two stacks – above diaphragm to below pubic symphysis.
Send raw data set to PACS. Do not send filtered images.
|AX||DWI (b1000 only)||RT||5mm||1mm||SPIR||Fit to Patient||Send b1000 images only. Do not send other acquired or processed DWI images.|
|Note: 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.|