Paratesticular Brenner Tumor

**Semantic type:** Neoplastic Process

**Definition:** A very rare, usually benign neoplasm that arises from the paratesticular structures. It is characterized by the presence of solid and cystic nests of neoplastic urothelial-type cells in a fibrotic stroma.

**Synonyms:** - Testicular Adnexa Brenner Tumor - Testicular Brenner Tumor