Specific Anatomic RegionLiver
ApplicationSuspected metastases from colon cancer
AuthorFishman EK
Reference SourcePersonal Communication
Scanner UsedSiemens 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) / Pitch15 / 6
Oral Contrast750 cc of 3% Hypaque
IV Contrast Volume and Type120 cc of Omnipaque 350
Injection Rate2-3 cc/sec
Scan Delay (sec)50-60 sec
3D Technique UsedN/A
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.