Neuroectodermal Tumor, Melanotic

**Definition:** A benign, rapidly growing, deeply pigmented tumor of the jaw and occasionally of other sites, consisting of an infiltrating mass of cells arranged in an alveolar pattern, and occurring almost exclusively in infants. Its source of origin is in dispute, the various theories giving rise to its several names. (Dorland, 27th ed)

**Tree numbers:** - C04.557.465.625.630 - C04.557.580.625.630

**Synonyms:** - Melanoameloblastoma - Progonoma, Melanotic - Retinal Anlage Tumor