Specific Anatomic Region	Hepatic Vascular Tree
Application	Create a vascular map for preoperative evaluation of the liver. (dual phase study)
Author	Fishman EK
Reference Source	Personal Communication
Scanner Used	Siemens Plus4 Volume Zoom
KV / mAs / Time per Rotation (sec)	120/125/.5
Detector Collimation (mm)	1
Slice Thickness (mm)	1.25
Data Reconstruction Interval (mm)	1
Table Speed (mm per rotation) / Pitch	6/6
Oral Contrast	750 cc of water
IV Contrast Volume and Type	120-150 cc of Omnipaque 350
Injection Rate	3 cc/sec
Scan Delay (sec)	25-30/60
3D Technique Used	Volume rendering/MIP
Comment: This protocol is a dual phase study that focuses on creating a detailed vascular map. Volume rendering is best for the arterial and venous mapping, but MIP helps with the hepatic veins on the venous phase.