Steroid cell tumor not otherwise specified (NOS) is a rare subtype of sex cord stromal tumor of the ovary and contributes less than 0. 1% of all ovarian neoplasms. The majority of tumors occur in pre-menopausal women (mean age: 43 years). in which 56-77% of patients present with virilization due to excess testosterone. https://www.anoivadavez.com/product-category/nevada/