A glioma derived from astrocytes; in children and persons less than 20 years of age, astrocytomas usually arise in a cerebellar hemisphere; in adults, astrocytoma usually occur in the cerebrum, sometimes growing rapidly and invading extensively.
Origin
[G. astron, star, + kytos, cell, + -oma, tumor]
anaplastic astrocytoma
cerebellar astrocytoma
desmoplastic cerebral astrocytoma
fibrillary astrocytoma
gemistocytic astrocytoma
grade I astrocytoma
grade II astrocytoma
grade III astrocytoma
grade IV astrocytoma
juvenile cerebellar astrocytoma
low grade astrocytoma
piloid astrocytoma
plocytic astrocytoma
protoplasmic astrocytoma
subependymal giant cell astrocytoma