Peer-reviewed veterinary case report
CT scan shows portal vein aneurysm in Boxer dogs and others
By Bertolini, G & Caldin, MĀ·Published in Veterinary journal (London, England : 1997)Ā·2012Ā·San Marco Veterinary Clinic, ItalyĀ·View original on PubMed ā
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Original publication title: Computed tomography findings in portal vein aneurysm of dogs.
- Species:
- dog
Plain-English summary
A Boxer dog was found to have a portal vein aneurysm (a bulging in a blood vessel) during a CT scan, although it showed no symptoms. Out of over 3,000 dogs scanned, only 15 had this condition, and it was more common in heavier male dogs. The aneurysms were located in specific areas of the portal vein and were mostly saccular (bulging) in shape. While the dog did not show any signs of illness, it later developed a blood clot in the same area.
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Abstract
In this retrospective study, the appearances of extrahepatic and intrahepatic portal vein aneurysms (PVAs) in dogs were evaluated using multidetector computed tomography (CT). Data from 3060 dogs that underwent abdominal CT were reviewed for focal portal vein dilatation. PVAs were detected in 15/3060 (0.49%) dogs. The bodyweights of dogs with PVAs were significantly higher than the bodyweights of dogs without aneurysms (P=0.0001). Male sex was also significantly associated with PVAs (OR=6.23). Boxers were predisposed to the development of PVA (OR=11.88). Extrahepatic PVAs were always located in the portal vein at the level of the gastroduodenal vein insertion and were saccular in 10/15 dogs and fusiform in 5/15 dogs. One dog had an additional intrahepatic aneurysm of the umbilical part of the left intrahepatic portal branch. No dogs had clinical signs related to the PVA(s), although one dog developed a portal vein thrombosis in the site of the aneurysm.
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Search related cases āOriginal publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/22269874/