Ovarian Sex Cord-Stromal Tumor, Not Otherwise Specified

**Semantic type:** Neoplastic Process

**Definition:** A sex cord-stromal tumor that arises from the ovary and lacks the morphologic features that belong to the categories of granulosa-stromal tumors, Sertoli-stromal tumors, or steroid cell tumors.

**Synonyms:** - Ovarian Sex Cord-Stromal Tumor, NOS