Malignant Ovarian Sex Cord-Stromal Tumor

**Semantic type:** Neoplastic Process

**Definition:** A malignant neoplasm arising from the ovary. This category includes the poorly differentiated ovarian Sertoli-Leydig cell tumor, malignant ovarian granulosa cell tumor, malignant ovarian steroid cell tumor, and malignant ovarian thecoma.

**Synonyms:** - Malignant Ovarian Sex Cord-Stromal Neoplasm - Malignant Sex Cord-Stromal Tumor of Ovary - Malignant Sex Cord-Stromal Tumor of the Ovary