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Malignant Sertoli cell tumour of the testis. An immunohistochemical study and a review of the literature.

The fifteenth case of malignant Sertoli cell tumour is reported and the literature is reviewed. The reported case was unilateral with lung metastases. Immunohistochemical examination showed positive staining reaction within the tumour cells for vimentin and cytokeratin, while AFP, HCG, PLAP, EMA and CEA were not found, which is in accordance with the staining pattern found in normal Sertoli cells.