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Portal vein branching pattern in anomalous right-sided round ligament

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Abstract

Objective

To study the relationship of anomalous right-sided round ligament with respect to branches of the portal vein.

Methods

We studied four patients of right-sided round ligament diagnosed radiologically in the last 5 years. 3-D volume rendered CECT abdominal images were analyzed for attachment of the round ligament in the liver in relation to portal venous anatomy and position of gallbladder.

Results

In all cases, a trifurcate pattern of portal venous branching was observed. Right-sided round ligament was attached at the point of divergence of the right anterior portal vein. The region to the left of the point of its attachment drained into the middle hepatic vein while the region to the right of the point of attachment drained into the right hepatic vein. The left portal vein branched into posterior and paramedian branches. Right, middle, and left hepatic veins were visualized having normal course in all cases. In all, the gallbladder was present to the left of the round ligament.

Conclusions

Trifurcate pattern of portal vein branching in all four cases. Right-sided round ligament was attached to the bifurcation of the right anterior portal vein in all the cases. The left portal vein branched into posterior and paramedian branches.

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Authors and Affiliations

  1. Surgical Gastroenterology Division, Department of General Surgery, Postgraduate Institute of Medical Education and Research, Sector 12, Chandigarh, 160012, India

    Rajesh Gupta

  2. Department of Gastroenterological Surgery, Chiba Cancer Center, 662-2, Nitona, Chuoh-ku, Chiba, 260-8717, Japan

    Akinari Miyazaki, Akihiro Cho & Munemasa Ryu

Authors
  1. Rajesh Gupta
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  2. Akinari Miyazaki
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  3. Akihiro Cho
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  4. Munemasa Ryu
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Correspondence to Rajesh Gupta.

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Gupta, R., Miyazaki, A., Cho, A. et al. Portal vein branching pattern in anomalous right-sided round ligament. Abdom Imaging 35, 332–336 (2010). https://doi.org/10.1007/s00261-009-9520-0

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  • DOI: https://doi.org/10.1007/s00261-009-9520-0

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