<unk>  is a malignant (cancerous) neural crest tumor. It is a rare tumor, usually occurring in children and young adults under 25 years of age. The overall 5 year survival rate is about 53%. It gets its name because the majority of the cells in the tumor are derived from neuroectoderm, but have not developed and differentiated in the way a normal neuron would, and so the cells appear<unk> ".<unk>  belongs to the Ewing family of tumors.
Primitive neuroectodermal tumor
Ameloblastoma
Dysembryoplastic neuroepithelial tumour
Pediatric ependymoma
Neurothekeoma
Sialoblastoma
Melanotic neuroectodermal tumor of infancy
Neuroma