Multiple acquired extrahepatic portosystemic shunts secondary to veno-occlusive disease in a young German shepherd.
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An 11-month-old German shepherd presented with behavioral abnormalities. Histopathologic analysis of liver biopsies taken during exploratory laparotomy revealed veno-occlusive disease caused by fibrosis of the hepatic central veins leading to secondary portal hypertension, development of shunting vessels, and hepatic encephalopathy. The fibrosis was likely congenital in origin. (+info)
Hereditary cutaneomucosal venous malformations are caused by TIE2 mutations with widely variable hyper-phosphorylating effects.
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Vascular tumors and malformations of the colon.
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The term "hemangioma" refers to the common tumor of infancy that exhibits rapid postnatal growth and slow regression during childhood. It may cause confusion with venous malformations that are often incorrectly called "cavernous hemangioma". Venous malformations comprise abnormally formed channels that are lined by quiescent endothelium. Accurate diagnosis is required for selecting the appropriate treatment. (+info)
Coexistent rare hepatic artery variants as a pitfall during embolization: dorsal pancreatic artery mistaken for gastroduodenal artery.
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