pilocytic astrocytoma

(redirected from piloid astrocytoma)

pilocytic as·tro·cy·to·ma

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

pi·lo·cyt·ic as·tro·cy·to·ma

(pī'lō-sit'ik as'trō-sī-tō'mă)
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 individuals.

pilocytic astrocytoma

A low-grade (relatively slow growing) tumor made of supporting cells of the brain. It usually found in the cerebellum of children, in whom it causes symptoms of headache, nausea, vomiting, and difficulty with balance.
See also: astrocytoma