Specific Anatomic RegionSmall bowel
ApplicationSuspected small bowel disease (ie especially tumors)
AuthorElliot K. Fishman, MD
Reference SourcePersonal communication
Scanner UsedSensation 16
KV / Effective mAs / Rotation time (sec)120 kV/ 225 eff. mAs / 0.5 sec
Detector Collimation (mm) 0.75 mm
Slice Thickness (mm)0.75 mm
Feed / Rotation (mm)12.0 mm
KernelB30f medium smooth
Increment (mm)0.75 mm x 0.5 mm (3D) 5mm x 5mm (filming)
Image Ordercraniocaudal
Oral Contrastwater 3 (12 oz) cups while waiting 1 (12 oz) cup right before scan 1440 cc total
IV Contrast Volume and Type120 cc Omnipaque 350
Injection Rate3.0-3.5 cc/sec
Scan Delay (sec)Arterial - 25-30 sec Venous- 20 sec later (50-60 sec delay)
3D Technique UsedVRT & MIP
Comment: -We have found this to be excellent for detection of small bowel tumors especially difficult to detect vascular tumors like carcinoid. This is also a good protocol for GI bleeding.