Specific Anatomic Region

Liver

Application

Carcinoid tumor staging

Author

Paulson EK et al.

Reference Source

Radiology 1998; 206:143-150

Scanner Used

GE HiSpeed Advantage

Injection Rate

5ml/sec

Contrast Volume and Type

175ml Isovue 300

Area Scanned

Liver

Scan Delay

20sec HAP70sec PVP

Length of Spiral (time)

~ 30sec

Slice Thickness

7mm

Table Speed/Pitch

1.5 pitch for HAP1.0 pitch for noncontrast and PVP

Reconstruction Interval

7mm

3D Technique Used

None

Comment:
• the authors used three phases to optimize lesion detection in this hypervascular tumor.
• on a Plus-4 I recommend a 5x8x5 protocol for all three phases. Scan the entire abdomen following the PVP.