label: Melanotic Neuroectodermal Tumor
label_lc: melanotic neuroectodermal tumor
description: "A rare neoplasm usually occurring in infants.  It is characterized by the presence of a mixture of melanin-containing epithelial cells and smaller neuroblast-like cells.  It may involve the skull and facial bones, or the epididymis.  It usually has a benign clinical course."