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Anomalies of the Portal Venous System in Dogs and Cats as Seen on Multidetector-Row Computed Tomography: An Overview and Systematization Proposal

San Marco Veterinary Clinic and Laboratory, via dell’Industria 3, 35030 Veggiano, Padova, Italy
Vet. Sci. 2019, 6(1), 10; https://doi.org/10.3390/vetsci6010010
Received: 29 November 2018 / Revised: 13 January 2019 / Accepted: 16 January 2019 / Published: 22 January 2019
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Abstract

This article offers an overview of congenital and acquired vascular anomalies involving the portal venous system in dogs and cats, as determined by multidetector-row computed tomography angiography. Congenital absence of the portal vein, portal vein hypoplasia, portal vein thrombosis and portal collaterals are described. Portal collaterals are further discussed as high- and low-flow connections and categorized in hepatic arterioportal malformation, arteriovenous fistula, end-to-side and side-to-side congenital portosystemic shunts, acquired portosystemic shunts, cavoportal and porto-portal collaterals. Knowledge of different portal system anomalies helps understand the underlying physiopathological mechanism and is essential for surgical and interventional approaches. View Full-Text
Keywords: portal system; portal vein; portosystemic shunt; portal hypertension; computed tomography portal system; portal vein; portosystemic shunt; portal hypertension; computed tomography
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Bertolini, G. Anomalies of the Portal Venous System in Dogs and Cats as Seen on Multidetector-Row Computed Tomography: An Overview and Systematization Proposal. Vet. Sci. 2019, 6, 10.

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