Article ; Online: Jejunal arteriovenous malformation and multiple acquired extrahepatic portosystemic shunts in a juvenile dog, presenting with melena.
The Journal of small animal practice
2023 Volume 64, Issue 7, Page(s) 485–489
Abstract: A juvenile dog referred with a 1-month history of persistent melena and severe anaemia, was diagnosed with a jejunal arteriovenous malformation, and multiple acquired extrahepatic portosystemic shunts. A midline coeliotomy was performed, the jejunal ... ...
Abstract | A juvenile dog referred with a 1-month history of persistent melena and severe anaemia, was diagnosed with a jejunal arteriovenous malformation, and multiple acquired extrahepatic portosystemic shunts. A midline coeliotomy was performed, the jejunal arteriovenous malformation was localised intraoperatively and was successfully removed via an enterectomy. Histopathology confirmed a true arteriovenous malformation. Despite the initial improvement, the patient developed seizure episodes secondary to hepatic encephalopathy 8 months after surgery. Fifteen months after surgery, the owner opted for euthanasia due to the ongoing seizure episodes. Post-mortem histologic examination of the liver showed features consistent with portal vein hypoplasia. A congenital arteriovenous malformation should be considered as a differential diagnosis in juvenile patients with a chronic history of haemorrhage from the gastrointestinal tract. In addition, acquired portosystemic shunts may occur in patients with portal vein hypoplasia and jejunal arteriovenous malformations. |
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MeSH term(s) | Dogs ; Animals ; Portal Vein/abnormalities ; Melena/pathology ; Melena/surgery ; Melena/veterinary ; Portasystemic Shunt, Transjugular Intrahepatic/veterinary ; Liver/pathology ; Arteriovenous Malformations/complications ; Arteriovenous Malformations/surgery ; Arteriovenous Malformations/veterinary ; Vascular Malformations/pathology ; Vascular Malformations/veterinary ; Dog Diseases/diagnosis ; Dog Diseases/etiology ; Dog Diseases/surgery |
Language | English |
Publishing date | 2023-04-26 |
Publishing country | England |
Document type | Case Reports |
ZDB-ID | 410743-3 |
ISSN | 1748-5827 ; 0022-4510 ; 1748-5827 |
ISSN (online) | 1748-5827 |
ISSN | 0022-4510 ; 1748-5827 |
DOI | 10.1111/jsap.13617 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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