Anaplastic astrocytoma
- Usually originate in the cerebral hemispheres and the brain stem
Below is a MR of a grade 3 bithalamic astrocytoma (#1).

Glioblastoma Multiforme
- Commonly originates in the subcortical white matter of the cerebral hemispheres.
Brain Tumors ![]()
Anaplastic astrocytoma
Below is a MR of a grade 3 bithalamic astrocytoma (#1).

Glioblastoma Multiforme