J Korean Soc Radiol.  2014 Apr;70(4):295-298. 10.3348/jksr.2014.70.4.295.

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

  • 1Department of Radiology, Yeungnam University College of Medicine, Daegu, Korea. sungho1999@ynu.ac.kr


A 59-year-old man with a known central hepatocellular carcinoma (HCC) underwent a trans-arterial-chemo-embolization (TACE) and a post-TACE percutaneous radiofrequency ablation (PRFA). Two months after the PRFA, the patient presented jaundice and an abdominal computed tomography was obtained. An arterial enhancing mass adjacent to the ablated necrotic lesion with a continuously coexisting mass inside the right hepatic duct, suggestive of a HCC recurrence with a direct extension to the biliary tract was found. Finally a biliary tumor obstruction has been developed and a percutaneous transhepatic biliary drainage was performed. This case of biliary obstruction caused by directly invaded recurred HCC after PRFA will be reported because of its rare occurence.

MeSH Terms

Biliary Tract
Carcinoma, Hepatocellular*
Catheter Ablation*
Hepatic Duct, Common
Middle Aged


  • Fig. 1 Transverse CT scans in 60-year-old man with prior trans-arterial embolization and radiofrequency ablation due to central located hepatocellular carcinoma. A. Arterial phase scan shows lipiodol uptake lesions is located in the ablation necrosis which is central portion of the liver. B. The same CT scan in hepatic hilum level demonstrates early enhancing mass (black arrow) at the hepatic hilum is abutting upon the right hepatic duct (white arrow). The mass is located just below the necrotic thermal lesion. C. On portal phase scan, the mass is extending into the common hepatic duct (black arrow) and portal vein thrombus (gray arrow) is also noted.

  • Fig. 2 Two months after follow-up transverse scans follow of the same patient. A. Arterial phase scan reveals early enhancing mass (black arrow) at hepatic hilum was increased in size with dilated adjacent right hepatic duct (white arrow). B. On the same CT scan, the intra-biliary growing of the mass (black arrow) and portal vein thrombosis (gray arrow) are more prominent with biliary dilatation.

  • Fig. 3 Percutaneous transhepatic cholangiography which was obtained 20 days after follow-up CT demonstrated more extended mass represented as filling defect (black arrow) in the both intra-hepatic duct, common hepatic duct, and common bile duct without dilatation of biliary ducts.


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