Epididymal Melanotic Neuroectodermal Tumor

**Semantic type:** Neoplastic Process

**Definition:** A rare neoplasm that arises from the epididymis and is characterized by the presence of a mixture of melanin-containing epithelial cells and smaller neuroblast-like cells. It usually occurs in infants and has a benign clinical course.

**Synonyms:** - Paratesticular Melanotic Neuroectodermal Tumor