Specific Anatomic Region	Liver
Application	Suspected metastases from colon 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)	2.5
Slice Thickness (mm)	5
Data Reconstruction Interval (mm)	5
Table Speed (mm per rotation) / Pitch	15 / 6
Oral Contrast	750 cc of 3% Hypaque
IV Contrast Volume and Type	120 cc of Omnipaque 350
Injection Rate	2-3 cc/sec
Scan Delay (sec)	50-60 sec
3D Technique Used	N/A
Comment: This is a single phase protocol. For evaluation of a tumor like colon cancer, which has hypovascular metastases, a "portal phase only study" is needed. Arterial phase imaging is of no additional value.