Etiology of Portal Hypertension
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چکیده
Portal hypertension can be caused by any disease interfering with blood flow at any level within the portal venous system. According to anatomic location, the diseases causing portal hypertension are classif ied as prehepatic (diseases involving the splenic, mesenteric, or portal veins), intrahepatic (acute and chronic l iver diseases), or posthepatic (diseases interfering with the venous outflow of the liver) (5) (Table 11.1). Cirrhosis of the l iver is by far the most
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