Preprint Review Version 1 This version is not peer-reviewed

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

Version 1 : Received: 13 January 2019 / Approved: 15 January 2019 / Online: 15 January 2019 (08:46:21 CET)

A peer-reviewed article of this Preprint also exists.

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. 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.

Journal reference: Vet. Sci. 2019, 6, 10
DOI: 10.3390/vetsci6010010

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.

Subject Areas

portal system; portal vein; portosystemic shunt; portal hypertension; computed tomography

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