Primary tumors of the brain - by Classification

Gliomas
Lowest grade tumors
Pilocytic astrocytoma
Subependymal giant cell astrocytoma
Protoplasmic astrocytoma
Ganglioglioma
Xanthomatous astrocytoma
Subependymoma

Lower grade malignancies
Fibrillary (gemistocytic, protoplasmic) astrocytoma
Ependymoma
Oligodendroglioma
Mixed oligoastrocytoma
Optic nerve glioma


Higher-grade malignancies
Anaplastic astrocytoma
Anaplastic oligodendroglioma
Anaplastic mixed glioma

Highest-grade malignancies
Glioblastoma multiforme
Gliosarcoma
Gliomatosis cerebri

Meningioma
Benign
Atypical
Malignant

Primitive neuroectodermal tumors (PNET)
Medulloblastoma
Ependymoblastoma
Pineoblastoma

Pituitary tumors
Pituitary adenoma
Pituitary carcinoma
Craniopharyngioma
Rathke’s cleft cyst

Choroid plexus tumors
Choroid plexus papilloma
Choroid plexus carcinoma

Other, more benign primary tumors
Neurocytoma
Dysembroplastic neuroepithelial tumor (DNT)
Lipoma
Hemangioblastoma
Hamartoma
Teratoma

Tumors of nerves and/or nerve sheaths
Neuroma
Schwannoma
Neurofibroma

Cysts
Colloid cyst
Arachnoid cysts
Dermoid
Epidermoid
Rathke’s cleft cyst
Pineal cyst

Other primary tumors, including skull base
Chondroma
Chordoma

Sarcomas
Gliosarcoma
Chondrosarcoma
Rhabdomyosarcoma

Primary Central Nervous System Lymphoma (PCNSL)

Metastatic brain tumors

Carcinomatous meningitis