Specific Anatomic RegionAppendix, Cecum
ApplicationR/O appendicitis
AuthorFishman EK
Reference SourcePersonal Communication
Scanner UsedSiemens Somatom Plus4
Injection Rate2-3cc/sec
Contrast Volume and Type120ml Omnipaque-350
Area ScannedDiaphragm to symphysis
Scan Delay 30 sec
Length of Spiral (time)35-40 sec
Slice Thickness5mm
Table Speed/Pitch8mm/sec
Reconstruction Interval3-5mm
3D Technique UsedNone
Comment: There are many ways to evaluate the appendix. We always use IV contrast but never use rectal contrast. We either use 750-1000 cc of oral Hypaque or just give 750-1000 cc of water. Water works well if the plain x-ray or topogram suggests a small bowel obstruction.