It is considered to be a developmental anomaly, and thus is congenital in presentation. It is thought to be derived from neural crest, which is one of the embryologic tissue types. The reason for this postulation is based on the expression of melanotransferrin (melanoma-specific peptide that may play role in iron metabolism).
Melanotic neuroectodermal tumor of infancy
Infantile hemangiopericytoma
Primitive neuroectodermal tumor
Neuroma cutis
Pediatric ependymoma
Retinoblastoma
Neurothekeoma
Ameloblastoma