Specific Anatomic Region

Liver

Application

Evaluate hepatic arterial anatomy for liver transplant

Author

Winter TC III et al.

Reference Source

Radiology 1995; 195:363-370

Scanner Used

GE HiSpeed Advantage

Injection Rate

5ml/sec

Contrast Volume and Type

180ml of Omnipaque 300

Area Scanned

Top to bottom of liver

Scan Delay

12sec (approx)

Length of Spiral (time)

30-35sec

Slice Thickness

3mm

Table Speed/Pitch

3-5mm/sec with a pitch of 1:1 to 1:7:1

Reconstruction Interval

1mm

3D Technique Used

MIP and shaded-surface display

Comment: A test bolus of 20ml is injected at 5ml/sec. A single scan is chosen just above the celiac axis. After an 8sec delay, 14 one-second scans are obtained with a one-second interscan delay. In these patients we prefer a dual-phase Spiral CT.