Classification of Tumors of Central Nervous System

Tumors of central nervous system may be classified as follows:

Tumors of Neuroepithelial Tissue

Astrocytic Tumors

Low Grade

Pilocytic astrocytoma

Diffuse astrocytoma,

Intermediate Grade

Pleomorphic xanthoastrocytoma

Gemistocytic astrocytoma

High Grade

Anaplastic astrocytoma

Glioblastoma multiforme

Oligoastrocytic Tumors

Classical oligoastrocytoma

Anaplastic oligoastrocytoma

Oligodendroglial Tumors

Classical Oligodendroglioma

Anaplastic oligodendroglioma

Ependymal Tumors

Classical ependymoma

Myxopapillary ependymoma

Anaplastic ependymoma

Subependymoma

Choroid Plexus Tumors

Choroid plexus papilloma

Choroid plexus carcinoma

Other Neuroepithelial Tumors

Astroblastoma

a. Tumors of pineal region

Pineocytoma

Pineoblastoma

Papillary tumor of papillary gland

b. Embryonal Tumors

Medulloblastoma

CNS primitive neuroectodermal tumors (CNS PNET)

Atypical teratoid tumor

Rhabdomyoid tumor

Tumors of Cranial and Paraspinal Nerves

Schwanoma

Neurofibroma

Neuronal and Mixed Neuronal Glial Tumors

Central neurocytoma

Extraventricular neurocytoma

Cerebellar liponeurocytoma

Rosette forming glioneural tumor of fourth ventricle

Ganglioglioma

Gangliocytoma

Dysplastic gangliocytoma of cerebellum

Paraganglioma

Tumors of Meninges

a. Tumors of meningoepithelial cells

Meningioma

b. Mesenchymal tumors

Lipoma

Liposarcoma

Leiomyoma

Leiomyosarcoma

Angiosarcoma

Hemangioma

Kaposi sarcoma

Chondroma,

Chondrosarcoma

Osteosarcoma,

Angiolipoma,

Osteoma

c. Primary melanocytic lesions

Melanoma

Lymphomas and hematopoietic neoplasms

Diffuse large B cell lymphoma

Germ cell tumors

Mixed germ cell tumor,

Teratoma,

Yolk sack tumor,

Embryonal carcinoma

Choriocarcinoma

Tumors of sellar region

Craniopharyngioma

Granular cell tumor

Familial Tumors

Neurofibromatosis type 1

Neurofibromatosis type 2

Von Hippel Lindau

Tuberous sclerosis

Metastatic tumors

Image Donated by the pathologist at work.