Hepatic Vein Thrombosis in Behçet's Disease

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Abstract
We describe four patients with hepatic vein thrombosis caused by Behçet's disease and review the 17 previously published cases. In addition, we compared these 21 cases of hepatic vein thrombosis to our 24 cases of hepatic vein thrombosis caused by primary myeloproliferative disorders. In patients with Behçet's disease, a male predominance (male/female ratio, 19:1) contrasted with the female predominance found in patients with hepatic vein thrombosis complicating primary myeloproliferative disorders (sex ratio = 1:3). The mean age at clinical onset was younger in patients with Behçet's disease than in those with primary myeloproliferative disorders (29 vs. 35 yr). Obstruction of the inferior vena cava was found in 90% of patients with hepatic vein thrombosis caused by Behçet's disease. Inferior vena caval thrombosis appears to be the main pathophysiological mechanism of hepatic vein thrombosis in patients with Behçet's disease. Unlike patients with primary myeloproliferative disorders who often had a progressive course, one third of patients with Behçet's disease had acute liver failure and died within 2 wk of clinical onset. These findings suggest that, in patients with Behçet's disease, hepatic vein thrombosis is a sudden event usually related to the extension of a caval thrombus to the ostium of the hepatic veins.(HEPATOLOGY 1990;11:969–974.).