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Anomaly of the Portal Vein With Total Ramification of the Intrahepatic Portal Branches From the Right Umbilical Portion: CT Features

Yang, Dal Mo MD; Kim, Hana MD; Kang, Jee Hee MD; Park, Chul Hi MD; Chang, Suk Ki MD; Jin, Wook MD; Kim, Hyung Sik MD

Journal of Computer Assisted Tomography: July-August 2005 - Volume 29 - Issue 4 - p 461-463
doi: 10.1097/01.rct.0000165905.06031.b0
Abdominal Imaging: Original Article
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Purpose: To describe CT findings of portal vein anomaly with total ramification of the intrahepatic portal branches from the right umbilical vein.

Methods: Retrospective analysis was performed in 6 patients with portal vein anomaly with total ramification of the intrahepatic portal branches from the right umbilican vein. We analyzed the position of the umbilical portion of the portal vein and ligamentum teres, and determined the intrahepatic branching pattern of the portal vein.

Results: The umbilical portion and ligamentum teres were deviated to the right and seen above the gallbladder fossa in all 6 patients. All major braches of the portal vein ramified from the right umbilical vein in all 6 patients.

Conclusion: The possibility of this portal vein anomaly should be kept in mind when hepatic resection or partial liver transplantation is required.

From the Department of Radiology, Gachon Medical School, Gil Medical Center, Incheon, South Korea.

Received for publication February 17, 2005; accepted April 5, 2005.

Reprints: D. M. Yang, Department of Radiology, Gachon Medical School, Gil Medical Center, 1198, Guwol-Dong, Namdong-Gu, Incheon, 405-760, South Korea (e-mail: dmyang@ghil.com).

© 2005 Lippincott Williams & Wilkins, Inc.