Specific Anatomic RegionPelvis
ApplicationR/O fistula to bladder
AuthorFishman EK
Reference SourcePersonal Communication
Scanner UsedSiemens Plus4 Volume Zoom
KV / mAs / Time per Rotation (sec)140/210/.5
Detector Collimation (mm)2.5
Slice Thickness (mm)5
Data Reconstruction Interval (mm)5
Table Speed (mm per rotation) / Pitch12.5/5
Oral Contrast750-1000 cc of 3% Hypaque
IV Contrast Volume and TypeN/A
Injection RateN/A
Scan Delay (sec)N/A
3D Technique UsedN/A
In this protocol, rectal contrast (500-750 cc) is used to distend the colon. Diverticulitis is the most common cause of an enterovesicle fistulae. IV contrast is contra-indicated.