Portosystemic collateral vessels in liver cirrhosis: a three-dimensional MDCT pictorial review

Elie Moubarak1, Antoine Bouvier, Jérôme Boursier

  • 1Department of Radiology, Angers University Hospital, Angers, France.

Abdominal Imaging
|October 18, 2011
PubMed

Insights

Portosystemic collateral vessels (PSCV) in chronic liver disease can lead to serious complications. Multi-detector CT (MDCT) imaging precisely maps these vessels, aiding crucial therapeutic decisions.

Area of Science:

  • Radiology
  • Gastroenterology
  • Hepatology

Background:

  • Portal hypertension in chronic liver disease leads to portosystemic collateral vessels (PSCV).
  • PSCV formation significantly impacts patient prognosis due to risks of digestive hemorrhage and hepatic encephalopathy.

Purpose of the Study:

  • To describe and categorize portosystemic collateral vessels (PSCV) based on their drainage patterns.
  • To highlight the clinical significance of different PSCV types in patients with chronic liver disease.

Main Methods:

  • Utilized a 16-MDCT scanner for imaging.
  • Employed maximum intensity projection and volume rendering techniques for detailed PSCV analysis.

Main Results:

  • Classified PSCV based on drainage into the superior or inferior vena cava.
  • Identified various PSCV subtypes including gastric, esophageal, and para-esophageal varices (superior vena cava group); and gastro-splenorenal shunts, paraumbilical veins, retroperitoneal shunts, mesenteric varices, gallbladder varices, and omental vessels (inferior vena cava group).
  • Correlated specific PSCV with clinical outcomes: esophageal/gastric varices with bleeding, splenorenal shunts with encephalopathy, and paraumbilical veins with portal decompression.

Conclusions:

  • Accurate mapping of PSCV is critical for guiding treatment strategies.
  • Multi-detector CT (MDCT) is the optimal imaging modality for understanding and delineating PSCV anatomy and variations.
Abstract

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