We herein report two cases of obstructive jaundice with markedly dilated collateral veins either in or around the bile duct in the setting of extrahepatic portal vein obstruction (EHPO). In the first case, a proximal splenorenal shunt provided relief of biliary stenosis as well as eradication of esophageal varices due to a decompression of portal hypertension. This evidence proved that the markedly extended collateral veins in the hepatoduodenal ligament caused biliary stenosis by compressing the bile duct. In the second case, obstructive jaundice was probably caused by cholangitis and was relieved with biliary drainage. Portal decompressive surgery was not indicated because of the slight degree of esophageal varices. The relationship between cholangitis and EHPO in these patients calls for further investigation. In cases with EHPO manifesting obstructive jaundice associated with risky esophageal varices, portal decompressive surgery is recommended as the procedure of choice.
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