<unk> s are a group of primary slow-growing brain tumors that typically occur in adults between the ages of 20 and 50.
Fibrillary astrocytoma
Diktyoma
Subependymal giant cell astrocytoma
Oligoastrocytoma
Neurothekeoma
Pilocytic astrocytoma
Anaplastic astrocytoma
Giant-cell glioblastoma