Ovarian Leydig Cell Tumor

**Semantic type:** Neoplastic Process

**Definition:** A rare, benign steroid tumor that arises from the ovary and is composed of Leydig cells that contain Reinke crystals. It usually affects postmenopausal women and in most cases, is associated with androgenic manifestations.

**Synonyms:** - Leydig Cell Neoplasm of Ovary - Leydig Cell Neoplasm of the Ovary - Leydig Cell Tumor of Ovary - Leydig Cell Tumor of the Ovary - Ovarian Leydig Cell Neoplasm