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pilocytic astrocytoma


Definition: a slowly growing astrocytoma composed histologically of elongated astrocytes; often located in the optic chiasm region of the third ventricle, hypothalamus, or cerebellum, predominantly in younger people.

Synonym(s): piloid astrocytoma

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.