Portal Vein Aneurysm in a Dog

Shingo MIYAWAKI; Makoto WASHIZU; Sadatoshi MAEDA; Sanae SHIBATA; Kazuhiro WATANABE; Kazuaki YAMAZOE

doi:10.1292/jvms.11-0575

Surgery

Portal Vein Aneurysm in a Dog

Shingo MIYAWAKI, Makoto WASHIZU, Sadatoshi MAEDA, Sanae SHIBATA, Kazuhiro WATANABE, Kazuaki YAMAZOE

Author information

Shingo MIYAWAKI
Laboratory of Veterinary Surgery, Department of Veterinary Medicine, Faculty of Applied Biological Sciences, Gifu University, 1–1 Yanagido, Gifu 501–1193, Japan
Makoto WASHIZU
Laboratory of Veterinary Animal Hospital, Department of Veterinary Medicine, Faculty of Applied Biological Sciences, Gifu University, 1–1 Yanagido, Gifu 501–1193, Japan
Sadatoshi MAEDA
Laboratory of Veterinary Radiology, Department of Veterinary Medicine, Faculty of Applied Biological Sciences, Gifu University, 1–1 Yanagido, Gifu 501–1193, Japan
Sanae SHIBATA
Laboratory of Veterinary Animal Hospital, Department of Veterinary Medicine, Faculty of Applied Biological Sciences, Gifu University, 1–1 Yanagido, Gifu 501–1193, Japan
Kazuhiro WATANABE
Laboratory of Veterinary Surgery, Department of Veterinary Medicine, Faculty of Applied Biological Sciences, Gifu University, 1–1 Yanagido, Gifu 501–1193, Japan
Kazuaki YAMAZOE
Laboratory of Veterinary Surgery, Department of Veterinary Medicine, Faculty of Applied Biological Sciences, Gifu University, 1–1 Yanagido, Gifu 501–1193, Japan

Keywords: canine, computed tomography, portal vein aneurysm, ultrasonography

JOURNAL FREE ACCESS

2012 Volume 74 Issue 9 Pages 1191-1193

DOI https://doi.org/10.1292/jvms.11-0575

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Abstract

Portal vein aneurysm (PVA) is a rare abnormal dilatation of the portal vein, which has not been reported in dogs. We describe the findings of ultrasound and computed tomography in a case of PVA in a young male toy poodle, with the final diagnosis established by explorative surgical observation. The dog had an aneurysmal fusiform dilatation in the extrahepatic portal vein with portal hypertension and multiple portsystemic shunts. This is the first report of canine PVA.

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