Melanotic neuroectodermal tumor of infancy Wikipedia Figure 7: Melanotic neuroectodermal tumor of infancy: a rare presentation of an extremely rare neoplasm and diagnostic implications in Gombe, Nigeria ZASK Melanotic neuroectodermal tumour of Infancy Melanotic neuroectodermal tumour of infancy (MNTI) is rare, rapidly growing, pigmented neoplasm of neural crest origin. It is generally accepted as a benign tumour despite Melanotic Neuroectodermal Tumour of Infancy: A Case Report JCDA