Poorly Differentiated Ovarian Sertoli-Leydig Cell Tumor

**Semantic type:** Neoplastic Process

**Definition:** A Sertoli-Leydig tumor of the ovary characterized by the presence of a sarcomatoid stroma which contains primitive gonadal stromal cells. It may behave in a malignant fashion and metastasize to other anatomic sites.

**Synonyms:** - Sertoli-Leydig cell tumor, poorly differentiated