Neuroectodermal neoplasm

A neuroectodermal neoplasm is a neoplasm or tumor of the neuroectoderm.[1] They are most commonly tumors in the central or peripheral nervous system.

Neuroectodermal tumor
SpecialtyOncology

Tumors exhibiting neuroectodermal differentiation are classified into two main groups:[2]

  • 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 malignant melanoma, olfactory neuroblastoma and Ewing's sarcoma.

References
  1. Neuroectodermal tumor entry in the public domain NCI Dictionary of Cancer Terms
  2. Mills, Stacey E (2002). "Neuroectodermal Neoplasms of the Head and Neck with Emphasis on Neuroendocrine Carcinomas". Modern Pathology. 15 (3): 264–278. doi:10.1038/modpathol.3880522. ISSN 0893-3952.
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