Specific Anatomic RegionLiver
ApplicationDifferential diagnosis of a liver mass
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)3
Data Reconstruction Interval (mm)3-5
Table Speed (mm per rotation) / Pitch12.5/5
Oral Contrast750 cc of water
IV Contrast Volume and Type120 cc of Omnipaque 350
Injection Rate3 cc/sec
Scan Delay (sec)30 sec arterial & then delayed scans
3D Technique UsedVolume rendering in select cases
This will require multiple phases of data acquisition which always include arterial and portal phase imaging. Additional delayed phase imaging may be helpful in cases of suspected cholangiocarcinoma.