<unk>  is a type of glioma. It occupies about 4% of brain tumors. This type of brain tumor origins from the oligodendrocytes which make myelin, a substance that surrounds and insulates axons of the brain and spinal cord.<unk>  occurs primarily in adults and only rarely found in children. Usual symptoms include headache, hydrocephalus, nausea and vomiting, seizure, weakness, or numbness in the extremities. Sometimes<unk>  may spread along the cerebrospinal fluid pathways but rarely spread outside the brain or spinal cord. Treatments include surgery, radiation therapy, chemotherapy, gene therapy, or a combination of them. Because<unk>  may infiltrate nearby brain tissue, it cannot be completely removed by surgery. Prognosis of<unk>  depends on the grade of the cancer.
Oligodendroglioma
Gemistocytic astrocytoma
Protoplasmic astrocytoma
Astrocytoma
Medulloblastoma
Ameloblastoma
Oligoastrocytoma
Ganglioglioma