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The percutaneous radiofrequency ablation (PRFA) is the primary treatment for hepatocellular carcinoma (HCC) recently. Although PRFA is a relatively safe procedure, a biliary obstruction can be caused as rare complication. More than extreme rare is the biliary obstruction caused by a biliary HCC or tumor cast after a PRFA. A known HCC patient presented with a liver parenchymal and intra-biliary mass following the radiofrequency ablation of the necrotic lesion. We assume that the extended biliary tumor from the recurred HCC may be the result of a minimal bile duct injury after the thermal ablation.

Biliary Obstruction Caused by Intra-Biliary Tumor Growth from Recurred Hepatocellular Carcinoma after Radiofrequency Ablation: Case Report