Clin J Gastroenterol
October 2023
Liver metastases of colorectal carcinoma (LMCC) with macroscopic intrabiliary ductal involvement are a rare entity that can clinically and radiologically mimic a cholangiocarcinoma. However, a thorough anatomopathologic and immunohistochemical study of biliary ductal involvement is required because of its distinctive clinical features and relatively indolent biological behavior, reflecting a better prognosis and long-term survival. We present the case of a patient who debuted with LMCC with intrahepatic biliary ductal involvement, whose definitive diagnosis was established by immunohistochemical analysis, showing a characteristic CK7 - /CK20 + pattern.
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