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Medical Term:

primitive neuroectodermal tumor


a designation used to refer to a group of morphologically similar embryonal neoplasms that arise in intracranial and peripheral sites of the nervous system and that may show various degrees of cellular differentiation; includes medulloblastoma, pineoblastoma, among others.

© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.