Liver

Portal vein patency

Specific Anatomic Region

Portal Vein

Application

Portal vein patency

Author

Fishman E et al.

Reference Source

Personal communication

Scanner Used

Siemens Somatom Plus 4

Injection Rate

3cc/sec

Contrast Volume and Type

110-120cc of Omnipaque 350

Area Scanned

From mid-liver through pancreas

Scan Delay

40sec

Length of Spiral (time)

24-32sec

Slice Thickness

3mm

Table Speed/Pitch

3-5mm/sec

Reconstruction Interval

1-3mm

3D Technique Used

Volume rendering

Comment:

• 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.