22. CT UROGRAM

Scan Acquisition  Native  Arterial  Venous
KV / effective mAs / rotation time  120 / 200 / 0.5  120 / 200 / 0.5  120 / 200 / 0.5
Detector collimation  1.5 mm  1.5 mm  1.5 mm
Slice Thickness  3.0 mm  3.0 mm  3.0 mm
Pitch  0.75  0.75  0.75
Kernel  B30f  B30  B30
Increment   2.0 mm  2.0 mm  2.0 mm 
Image order  Cranial to caudad.
Oral Contrast  None
Intravenous Contrast  100 cc Isovue 300 at 3 cc/sec.
 18 - 22 ga IV needed preferably in the AC.
Scan Delay  Initial: 75 second delay localized to the kidneys only.
 2nd scan: 10 minutes delay thru kidneys and bladder.
       Send 10min images to PACS and call Radiologist
       to approve study.
 3rd: if needed by radiologist, do 15 minute delay.
MIP / MPR  MIP: W-1500 C-350, 30.0 mm thick, 3.0 mm distance.
 MPR: W-350 C-40, 30.0 mm thick, 3.0 mm distance.