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KMID : 0985520160210030174
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Korean Journal of Pancreas and Biliary Tract
2016 Volume.21 No. 3 p.174 ~ p.179
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A Case of Intrahepatic Sarcomatoid Cholangiocarcinoma Mimicking Liver Abscess
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Kong Sung-Min
Kim Kwang-Min
Lee Jae-Jin
Hong Woong-Pyo
Choi Ik-Sung
Jeong Kye-Hwa
Kwan Byung-Soo
Lee Dong-Gyu
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Abstract
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Sarcomatoid transformation of intrahepatic cholangiocarcinoma is rarely found but usually has very poor prognosis due to the lack of effective approaches for early detection and its aggressive nature. We report a case of this tumor type, in a 60-year-old man who was referred to our hospital for further evaluation of screening-detected, asymptomatic hepatic lesion. Clinical diagnosis was elusive despite performance of different imaging modalities and a transcutaneous liver biopsy. Pathology of the surgically resected tumor demonstrated intrahepatic sarcomatoid cholangiocarcinoma. In our case, tumor cells expressed strong immunoreactivity to both cytokeratin-19 and vimentin. We assume the relatively good prognosis of this patient would be expected because surgery played a critical role at an early stage of the tumor.
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KEYWORD
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Cholangiocarcinoma, Sarcomatoid, Spindle cell, Cytokeratin, Vimentin
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