Adult-type granulosa cell tumor of the testis: A case report with immunohistochemical study
2021
Abstract We report that a case of adult testicular granulosa cell tumor in a 40-year-old man who presented with a palpable testicular mass. The sectioned surface of the testis revealed a well-circumscribed, yellowish tan, solid mass with hemorrhagic foci. Histologically, the tumor was arranged in solid nests, trabeculae, gyriform, pseudopapillae and macro-and microfollicles in a fibrocollagenous stroma. The tumor cells were ovoid or carrot-shaped with scant cytoplasm and nuclear grooves. Immunohistochemically, the tumor cells were diffusely strongly positive for estrogen receptor, progesterone receptor, androgen receptor, CD10, CD56, calretinin and vimentin, and multifocally positive for inhibin, synaptophysin and cytokeratin.
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