Pathology Outlines Melanotic neuroectodermal tumor of infancy Melanocytic neuroectodermal tumor of infancy, in a two month old infant Download Scientific Diagram 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 jcdr 10 ZJ07 g001.jpg