Melanotic Neuroectodermal Tumor of Infancy Basicmedical Key PDF] Melanotic neuroectodermal tumour of infancy (progonoma) treated by radical maxillary surgery. Semantic Scholar 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 Full article: MELANOTIC NEUROECTODERMAL TUMOR OF INFANCY IN ORAL CAVITY AT UNUSUAL AGE