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Lijec Vjesn. 2000 Nov-Dec;122(11-12):270-2.

[Carcinoma of the urinary bladder resembling lymphoepithelioma].

[Article in Croatian]

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  • 1Klinicki zavod za patologiju Ljudevit Jurak, Klinicka bolnica Sestre milosrdnice, Zagreb.


Lymphoepithelioma-like carcinoma of the bladder is rare and has only recently been described at this site. We report a case of lymphoepithelioma-like carcinoma of the urinary bladder in a 70-years old male patient who presented with painless hematuria lasting for one month. The patient underwent transurethral resection two times. Histopathologic diagnosis was transitional cell carcinoma. Histopathologic examination of the third biopsy showed tumor tissue with typical syncitial growth pattern of atypical, large, epitheloid cells with ill-defined cytoplasmic borders, prominent nucleoli and numerous mitoses. A prominent lymphocytic infiltrate was found as a component of the tumor. Immunohistochemistry showed positive reaction for cytokeratin and epithelial membrane antigen, and negative results for leukocyte common antigen, CD3, CD20, CD30, CD68 and PSA. The lymphoid infiltrate was an admixture of T and B cells. The tumor invaded the muscle wall. After last surgery the patient underwent chemotherapy by local application of Adriablastine. At present the patient is without recurrence 10 months after the last surgery.

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