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Annals of Hepatology

versión impresa ISSN 1665-2681

Resumen

PUTRA, Juan et al. Metastatic Lymphoepithelioma-like Hepatocellular Carcinoma: a Potential Diagnostic Pitfall and Demonstration of Pd-l1 Expression. Ann. Hepatol. [online]. 2017, vol.16, n.1, pp.157-159. ISSN 1665-2681.  http://dx.doi.org/10.5604/16652681.1226936.

Lymphoepithelioma-like hepatocellular carcinoma (LEL-HCC) is a rare primary hepatic neoplasm with female predominance and relatively good prognosis. We report a 73-year-old female with chronic hepatitis B who developed metastatic lesions 5 years after underwent resection for LEL-HCC. The metastatic lesions showed a spectrum of morphologic findings, which could be mistaken for other entities such as lymphoma, particularly in lesions with single-cell infiltrative pattern and abundant tumor-infiltrating lymphocytes. Immunohistochemical study to confirm the origin of the neoplastic cells is important to make the diagnosis. We also highlighted the clinicopathologic correlation and potential therapeutic implication of programmed death ligand-1 expression in LEL-HCC.

Palabras llave : Lymphoepithelioma-like hepatocellular carcinoma; Chronic hepatitis B; Metastatic hepatocellular carcinoma; Programmed death ligand-1.

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