MDCT PROTOCOLS

Bladder

Virtual cystoscopy Printer-ready protocol

Specific Anatomic Region Bladder
Application Virtual cystoscopy to stage bladder cancer/ follow up bladder cancer.  
  Author Fishman EK
Reference Source Personal Communication
Scanner Used Siemens Plus4 Volume Zoom
KV / mAs / Time per Rotation (sec) 120 / 165 / .5
Detector Collimation (mm) 1
Slice Thickness (mm) 1.25
Data Reconstruction Interval (mm) 1
Table Speed (mm per rotation) / Pitch 6 / 6
  Oral Contrast N/A
IV Contrast Volume and Type 300-400 cc of dilute Omnipaque-350  
  Injection Rate See below
  Scan Delay (sec) N/A
3D Technique Used Volume rendering w/endoscopy
Comment: The optimal study requires bladder distension, whether with water, air, or a dilute omnipaque solution. My best results are with positive contrast. The easiest technique is to inject 30 cc of omnipaque into a 500 ml bag of saline & drip it into the bladder under gravity.