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Surgical and Radiologic Anatomy
Published in: Surgical and Radiologic Anatomy 5/2015

01-07-2015 | Original Article

CT virtual endoscopy for analyzing variations in the hepatic portal vein

Authors: Guodong Pang, Guangrui Shao, Fang Zhao, Cheng Liu, Hai Zhong, Weihua Guo

Published in: Surgical and Radiologic Anatomy | Issue 5/2015

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Abstract

Purpose

To evaluate the value of CT virtual endoscopy (CTVE) for accurately distinguishing varying types of portal veins (PVs).

Materials and methods

From 526 consecutive patients whose hepatic portal vein was well visualized, patients who were considered to have trifurcation of the main portal vein (MPV) or right portal vein (RPV) on volume rendering (VR) and maximum intensity projection (MIP) imaging were chosen for the analysis. Two radiologists evaluated the PV anatomy of these patients and re-classified the types of PV variation using the CTVE technique. The Wilcoxon rank sum test was used to calculate differences in age between males and females.

Results

Thirty-two patients (20 males, 12 females; age range 21–68 years; mean age 43 years) were considered to have trifurcation of the MPV (15) or RPV (17) on VR and MIP imaging. Fifteen patients in total had a trifurcation confirmed by CTVE (6 patients were proven to have an MPV trifurcation by CTVE, and 9 were confirmed to have a RPV trifurcation).

Conclusions

CTVE can differentiate PV variations that cannot be identified accurately on MIP and VR.
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Metadata
Title
CT virtual endoscopy for analyzing variations in the hepatic portal vein
Authors
Guodong Pang
Guangrui Shao
Fang Zhao
Cheng Liu
Hai Zhong
Weihua Guo
Publication date
01-07-2015
Publisher
Springer Paris
Published in
Surgical and Radiologic Anatomy / Issue 5/2015
Print ISSN: 0930-1038
Electronic ISSN: 1279-8517
DOI
https://doi.org/10.1007/s00276-015-1463-2

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