Specific Anatomic RegionPortal Vein
ApplicationPortal vein patency
AuthorFishman E et al.
Reference SourcePersonal communication
Scanner UsedSiemens Somatom Plus 4
Injection Rate3cc/sec
Contrast Volume and Type110-120cc of Omnipaque 350
Area ScannedFrom mid-liver through pancreas
Scan Delay40sec
Length of Spiral (time)24-32sec
Slice Thickness3mm
Table Speed/Pitch3-4mm/sec
Reconstruction Interval1-3mm
3D Technique UsedVolume rendering
  • Narrow collimation is critical to look for partial portal vein thrombosis. The scan should also allow one to define the cause of the portal vein thrombosis such as pancreatic cancer, pancreatitis or hepatoma.
  • 3D imaging is especially of value in these cases.