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Comprehensive Endovascular and Open Surgical Management of Cerebral Arteriovenous Malformations
Published on: October 20, 2017
Interventional, surgical, and clinical management of Abernethy malformations: A case series and novel anatomic
Camden J MacDowell1,2, Rebecca Choi1, Muhammad Hammad Malik1
1Vascular and Interventional Radiology, Johns Hopkins Hospital, Baltimore, MD, USA.
Abstract:
Abernethy malformation is a rare congenital extrahepatic portosystemic shunt resulting from the persistence of embryonic vessels in the splanchnic venous system. There are 2 known types of Abernethy malformations: type I and II; both of which involve aberrant drainage of the portal venous blood into the inferior vena cava. Here, we detail the anatomy as well as clinical, surgical, and interventional management of 4 patients with Abernethy malformations. In addition, we detail a patient with a previously undescribed anatomic variant of the Abernethy type II malformation: a portosystemic shunt into an interrupted inferior vena cava in which central venous return was provided through the azygous/hemiazygos system.
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