Ovarian Granulosa-Stromal Cell Tumor

**Semantic type:** Neoplastic Process

**Definition:** A group of sex cord-stromal tumors that arise from the ovary. These tumors are characterized by the presence of granulosa cells, stromal cells, and/or theca cells. This group includes granulosa cell tumor and tumors of the thecoma/fibroma group.

**Synonyms:** - Granulosa cell-theca cell tumor - Ovarian Granulosa-Stromal Tumor