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Journal of the Korean Liver Cancer Study Group 2008;8(1):92-97.
Published online June 30, 2008.
A Case of the Complete Remission of a Solitary Extrahepatic Bile Duct Hepatocellular Carcinoma without Primary Hepatic Parenchymal Lesions by Cyberknife Treatment
Soung Won Jeong1, Si Hyun Bae1, Hyun Young Woo1, Chan Ran You1, Won Hang Hur1, Jong Young Choi1, Seung Kew Yoon1, Dong Hoon Lee2, Young Jun Lee2, Jae Young Byun2, Hong Seok Jang3
1Department of Internal Medicine, Kang-Nam St. Mary’ Hospital, Medical College of Catholic University, Seoul, Korea
2Department of Radiology, Kang-Nam St. Mary’ Hospital, Medical College of Catholic University, Seoul, Korea
3Department of Radiation Oncology. Kang-Nam St. Mary’ Hospital, Medical College of Catholic University, Seoul, Korea
Correspondence:  Si Hyun Bae,
Email: baesh@catholic.ac.kr
Abstract
A 69-year-old man patient was hospitalized by confused mentality. He had chronic hepatitis B virus infection and was diagnosed with liver cirrhosis 20 years ago. Abdominal CT showed about 2×1 cm sized polypoid mass with mild arterial enhancement at the S4 of liver, causing moderate dilatation of the left IHBD. In the CTHA-AP, intraductal mass was hyperattenuated at arterial phase and washed out at portal phase. Celiac angiography revealed nodular tumor staining correlating to intraductal mass on CT. In MRCP and ERCP, a polypoid lesion was noted at the orifice of left main intrahepatic duct. The patient was treated with cyber-knife for 3 days with 3600 cGy. In follow up CT after 2 month of cyber-knife treatment, there was regression of previously noted left IHBD dilatation and no definite enhancing intraductal mass.
Key Words: Intraductal mass; Left IHBD dilatation; Cyber-knife treatment
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