The different types of gliomas:
Astrocytomas Brain stem gliomas Ependymomas Optic nerve gliomas Oligodendrogliomas
Gliomas
The most common type of primary brain tumor is a glioma. Gliomas begin from glial cells, which are the supportive tissue of the brain. There are several types of gliomas, categorized by where they are found, and the type of cells that originated the tumor.