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Erschienen in:

01.10.2012

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

verfasst von: Elie Moubarak, Antoine Bouvier, Jérôme Boursier, Jérôme Lebigot, Catherine Ridereau-Zins, Francine Thouveny, Serge Willoteaux, Christophe Aubé

Erschienen in: Abdominal Radiology | Ausgabe 5/2012

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Abstract

Purpose

Portosystemic collateral vessels (PSCV) are a consequence of the portal hypertension that occurs in chronic liver diseases. Their prognosis is strongly marked by the risk of digestive hemorrhage and hepatic encephalopathy.

Materials and methods

CT was performed with a 16-MDCT scanner. Maximum intensity projection and volume rendering were systematically performed on a workstation to analyze PSCV.

Results

We describe the PSCV according to their drainage into either the superior or the inferior vena cava. In the superior vena cave group, we found gastric veins, gastric varices, esophageal, and para-esophageal varices. In the inferior vena cava group, the possible PSCV are numerous, with different sub groups: gastro and spleno renal shunts, paraumbilical and abdominal wall veins, retroperitoneal shunts, mesenteric varices, gallbladder varices, and omental collateral vessels. Regarding clinical consequences esophageal and gastric varices are most frequently involved in digestive bleeding; splenorenal shunts often lead to hepatic encephalopathy; the paraumbilical vein is an acceptable derivation pathway for natural decompression of the portal system.

Conclusion

Knowledge of precise cartography of PSCV is essential to therapeutic decisions. MDCT is the best way to understand and describe the different types of PSCV.

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Titel: Portosystemic collateral vessels in liver cirrhosis: a three-dimensional MDCT pictorial review
verfasst von: Elie Moubarak
Antoine Bouvier
Jérôme Boursier
Jérôme Lebigot
Catherine Ridereau-Zins
Francine Thouveny
Serge Willoteaux
Christophe Aubé
Publikationsdatum: 01.10.2012
Verlag: Springer US
Erschienen in: Abdominal Radiology / Ausgabe 5/2012
Print ISSN: 2366-004X
Elektronische ISSN: 2366-0058
DOI: https://doi.org/10.1007/s00261-011-9811-0

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