Wolffian Tumor

**Semantic type:** Neoplastic Process

**Definition:** An adnexal epithelial neoplasm of Wolffian (mesonephric) origin. It predominantly affects the broad ligament and presents as a unilateral adnexal mass. Most tumors behave in a benign fashion.

**Synonyms:** - FATWO - Female Adnexal Tumor of Probable Wolffian Origin - Mesonephric Adenoma - Mesonephric adenoma - Mesonephroma - Mesonephroma, NOS - Mesonephroma, benign - Mesonephromas - Retiform Wolffian Adenoma - WAT - Wolffian Adenoma - Wolffian Adnexal Neoplasm - Wolffian Adnexal Tumor - Wolffian Duct Adenoma - Wolffian Duct Neoplasm - Wolffian Duct Tumor - Wolffian duct adenoma - Wolffian duct tumor - mesonephroma