{{Infobox medical condition (new) | name = Neuroectodermal tumor | synonyms = | image = | caption = | pronounce = | field = Oncology | symptoms = | complications = | onset = | duration = | types = | causes = | risks = | diagnosis = | differential = | prevention = | treatment = | medication = | prognosis = | frequency = | deaths = }} A '''neuroectodermal neoplasm''' is a neoplasm or tumor of the neuroectoderm.<ref>[http://www.cancer.gov/dictionary?CdrID=45952 Neuroectodermal tumor] entry in the public domain NCI Dictionary of Cancer Terms</ref> They are most commonly tumors in the central or peripheral nervous system.{{cn|date=June 2022}}
Tumors exhibiting neuroectodermal differentiation are classified into two main groups:<ref name="Mills2002">{{cite journal|last1=Mills|first1=Stacey E|title=Neuroectodermal Neoplasms of the Head and Neck with Emphasis on Neuroendocrine Carcinomas|journal=Modern Pathology|volume=15|issue=3|year=2002|pages=264–278|issn=0893-3952|doi=10.1038/modpathol.3880522|pmid=11904342|doi-access=free}}</ref> * Group I tumors/neoplasms: neuroendocrine carcinomas. These show predominantly epithelial differentiation. They include pituitary adenoma and carcinoid tumor * Group II tumors/neoplasms: nonepithelial neuroectodermal neoplasms. These are predominantly neural in origin. They include melanoma, olfactory neuroblastoma, and Ewing's sarcoma.
== References == {{reflist}}
{{Central nervous system tumors}}
Category:Anatomical pathology Category:Nervous system neoplasia
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