Table 1.

Main Types of Human Glioma

Astrocytic tumors

Pilocytic astrocytoma (I)

Pilomyxoid astrocytoma (II)

Subependymal giant cell astrocytoma (I)

Pleomorphic xanthoastrocytoma (II)

Diffuse astrocytoma (II)

Fibrillary astrocytoma

Gemistocytic astrocytoma

Protoplasmic astrocytoma

Anaplastic astrocytoma (III)

Glioblastoma (IV)

Giant cell glioblastoma

Gliosarcoma

Gliomatosis cerebri (III)

Oligodendroglial tumors

Oligodendroglioma (II)

Anaplastic oligodendroglioma (III)

Oligoastrocytic tumors

Oligoastrocytoma (II)

Anaplastic oligoastrocytoma (III)

Ependymal tumors

Subependymoma (I)

Myxopapillary ependymoma (I)

Ependymoma (II)

Cellular

Papillary

Clear cell

Tanycytic

Anaplastic ependymoma (III)

Grades of the different glioma variants are indicated by Roman numerals shown in brackets following the respective glioma subtype.