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Table 3. Childhood Astrocytomas and Other Tumors of Glial Origin and Preferential Central Nervous System (CNS) Location

Tumor Type Preferential CNS Location 
Pilocytic astrocytomaOptic nerve, optic chiasm/hypothalamus, thalamus and basal ganglia, cerebral hemispheres, cerebellum, and brain stem; and spinal cord (rare)
Pleomorphic xanthoastrocytomaSuperficial location in cerebrum (temporal lobe preferentially)
Diffuse astrocytoma (including fibrillary)Cerebrum (frontal and temporal lobes), brain stem, spinal cord, optic nerve, optic chiasm, optic pathway, hypothalamus, and thalamus
Anaplastic astrocytoma, glioblastomaCerebrum; occasionally cerebellum, brain stem, and spinal cord
OligodendrogliomasCerebrum (frontal lobe preferentially followed by temporal, parietal, and occipital lobes), cerebellum, brain stem, and spinal cord
OligoastrocytomaCerebral hemispheres (frontal lobe preferentially followed by the temporal lobe)
Gliomatosis cerebriCerebrum with or without brain stem involvement, cerebellum, and spinal cord