granulosa-theca cell tumor

granulosa-theca cell tumor
an ovarian tumor predominantly composed of either granulosa cells (follicular cells) or theca cells, and often associated with excessive production of estrogen, with hyperplasia and carcinoma of the endometrium. When luteinized, i.e., having cells resembling those of the corpus luteum, it is known as luteoma.

Medical dictionary. 2011.

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  • theca cell tumor — a fibroidlike tumor of the ovary containing yellow areas of lipoid material derived from theca cells. It may be associated with excessive production of estrogen and have a tendency to cystic degeneration. These tumors are rarely composed entirely …   Medical dictionary

  • luteinized granulosa-theca cell tumor — luteoma …   Medical dictionary

  • Granulosa cell tumour — Granulosa cell tumo(u)rs (or granulosa theca cell tumo(u)rs) are tumors of the granulosa cell. They are part of the sex cord stromal tumour group of ovarian neoplasms.The peak age at which they occur is 50 55 years, but they may occur at any… …   Wikipedia

  • granulosa tumor — granulosa cell tumor an ovarian tumor originating in the cells of the primordial membrana granulosa; it may be associated with excessive production of estrin, inducing endometrial hyperplasia with menorrhagia. See also granulosa theca cell t. and …   Medical dictionary

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  • Ovarian cancer — (human) Classification and external resources Micrograph of a low malignant potential mucinous ovarian tumour. H E stain. ICD 10 …   Wikipedia

  • luteoma — An ovarian tumor of granulosa or theca lutein cell origin, producing progesterone effects on the uterine mucosa. SYN: luteinoma. pregnancy l. a benign lutein …   Medical dictionary

  • stromal tumors — a diverse group of tumors derived from the ovarian stroma; many of them secrete sex hormones. Included are granulosa theca cell tumor, hilar cell tumor, lipoid cell tumor, arrhenoblastoma, and gynandroblastoma. Called also sex cord–stromal t s …   Medical dictionary

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