Ovarian Sertoli-Leydig Cell Tumor with Retiform Elements

**Semantic type:** Neoplastic Process

**Definition:** A Sertoli-Leydig cell tumor characterized by the presence of spaces that resemble rete testis (retiform elements). These spaces form anastomosing patterns and comprise at least ten percent but less than ninety percent of the tumor. When the retiform elements comprise ninety percent or more of the tumor, the term retiform Sertoli-Leydig cell tumor is used. A minority of patients may have an aggressive clinical course.

**Synonyms:** - Sertoli-Leydig cell tumor, retiform