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Extrahepatic portal hypertension following abdominal surgery.

We present a case of non-cirrhotic extrahepatic portal hypertension in a 31-year-old woman following extensive abdominal laparotomy for the drainage of multiple retroperitoneal and liver abscesses following a perforated appendix. Chronic portal, splenic, and mesenteric vein thrombosis with portal hypertension was caused by a hypercoagulable state due to the abdominal infection and abdominal surgery. Various etiological aspects of chronic extraheptic venous thrombosis have not been documented due to the low incidence of these events. We discuss these aspects in the context of our patient.