Lymphoepithelioma-like carcinoma of the lung

Abstract

Originally described in the nasopharynx, lymphoepitheliomas are undifferentiated carcinomas with prominent lymphoid infiltration. Recently this tumor has been described in a number of other sites. An association with prior infection by the Epstein-Barr virus has been recognized in cases from the nasopharynx. We report four cases of lymphoepithelioma-like carcinoma arising in the lung. Epstein-Barr virus serology indicated prior infection in two cases, one of which was also found by in situ hybridization to have the virus genome. Lymphoepithelioma-like carcinoma must be considered in the differential diagnosis of primary lung tumors, particularly when an extensive infiltrate by lymphoid tissue is present and may even suggest lymphoma.

Publication Title

American Journal of Surgical Pathology

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