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Multiple acquired portosystemic shunts secondary to primary hypoplasia of the portal vein in a cat.

Multiple acquired portosystemic shunts secondary to primary hypoplasia of the portal vein in a cat.
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Sugimoto S, Maeda S, Tsuboi M, Saeki K, Chambers JK, Yonezawa T, Fukushima K, Fujiwara R, Uchida K, Tsujimoto H, Matsuki N, Ohno K,


Sugimoto S, Maeda S, Tsuboi M, Saeki K, Chambers JK, Yonezawa T, Fukushima K, Fujiwara R, Uchida K, Tsujimoto H, Matsuki N, Ohno K, (click to view)

Sugimoto S, Maeda S, Tsuboi M, Saeki K, Chambers JK, Yonezawa T, Fukushima K, Fujiwara R, Uchida K, Tsujimoto H, Matsuki N, Ohno K,

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The Journal of veterinary medical science 2018 04 09() doi 10.1292/jvms.17-0648

Abstract

A 6-year 5-month-old spayed female Scottish Fold cat presented with a one-month history of gait abnormalities, increased salivation, and decreased activity. A blood test showed hyperammonemia and increased serum bile acids. Imaging tests revealed multiple shunt vessels indicating acquired portosystemic shunt. Histopathologic analysis of liver biopsy showed features consistent with liver hypoperfusion, such as a barely recognizable portal vein, increased numbers of small arterioles, and diffuse vacuolar degeneration of hepatocytes. These findings supported the diagnosis of primary hypoplasia of the portal vein/microvascular dysplasia, (PHPV/MVD). To our knowledge, this is the first case of feline PHPV/MVD that developed multiple acquired portosystemic shunts and presented with hepatic encephalopathy.

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