| androblastoma | A neoplasm of the ovary, arising from the ovarian stroma, mimicking to a greater or lesser extent derivatives of the sex cord mesenchyme of the testis, and sometimes causing defeminization and virilization. (12 Dec 1998) |
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| androblastoma |
1. a rare, benign tumor of the testis that histologically resembles the fetal testis; there are three varieties: diffuse stromal, mixed (stromal and epithelial), and tubular (epithelial). Sertoli cells in the epithelial elements may produce estrogen and cause feminization. Called also gonadal stromal tumor, Pick's testicular or tubular adenoma, tubular adenoma, and Sertoli cell tumor. 2. a rare tumor of the ovary, usually occurring in young women; both Sertoli cells (sex cord origin) and Leydig cells (stromal origin) are present. The tumor may cause masculinization and hirsutism, although occasionally estrogenic activity results. Called also Sertoli-Leydig cell tumor and arrhenoblastoma.
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