<unk> s are primary intracranial tumors derived from astrocytes cells of the brain. They may arise in the cerebral hemispheres, in the posterior fossa, in the optic nerve, and rarely, the spinal cord.<unk> s are a type of neoplasm of the brain. They originate in a particular kind of glial cells, star-shaped brain cells in the cerebrum called astrocytes. This type of tumor does not usually spread outside the brain and spinal cord and it does not usually affect other organs.
Astrocytoma
Oligoastrocytoma
Hemangiopericytoma
Ameloblastoma
Schwannoma
Glioma
Hemangioblastoma
Gemistocytic astrocytoma