Thrombosis :: Portal vein thrombosis is common in extraportal vein obstruction
Among the 118 patients with portal vein thrombosis, noncirrhotic and nontumoral extrahepatic portal vein obstruction are young and present with well tolerated bleed. Cirrhosis and tumor related portal vein thrombosis patients are older and have grim prognoses. Hypercoagulable state as a cause of portal vein thrombosis is less common. The idiopathic group comprises the second largest number of patients.