<unk>  is a neuroepithelial tumor which is believed to originate from oligodendrocytes, a cell type of the glia. In the World Health Organization (WHO) classification of brain tumors,<unk> s are classified as grade III. In the course of the disease, they can degenerate into WHO grade IV glioblastoma. The vast majority of oligodendrogliomas occur sporadically, without a confirmed cause and without inheritance within a family.
Anaplastic oligodendroglioma
Anaplastic astrocytoma
Neurothekeoma
Oligodendroglioma
Giant-cell glioblastoma
Subependymal giant cell astrocytoma
Fibrillary astrocytoma
Pilocytic astrocytoma