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 Figure 2 from Melanotic neuroectodermal tumor of infancy. Semantic Scholar Melanotic Neuroectodermal Tumor of Infancy MD Searchlight Melanocytic Neuroectodermal Tumour of Infancy A : Annals of Maxillofacial Surgery