Brain tumors – WHO classification 1993
3. Nerve sheath tumors
4. Germ cell tumors
5. Malignant lymphomas
6. Malformative tumors
7. Metastatic tumors
Overview:
1. Tumors of neuroepithelial origin
Astrocytic tumors
·
Diffuse astrocytoma
o
Astrocytoma
o
Anaplastic astrocytoma
o
Glioblastoma multiforme
·
Circumscribed astrocytoma
o
Juvenile pilocytic astrocytoma
o
Pleomorphic xanthoastrocytoma
o
Subependymal giant cell
astrocytoma
Oligodendroglial tumors
·
Oligodendroglioma
·
Anaplastic oligodendroglioma
Ependymal tumors
·
Ependymoma
·
Myxopapillary ependymoma
·
Anaplastic ependymoma
·
Subependymoma
Mixed gliomas
·
Oligoastrocytoma
·
Anaplastic oligoastrocytoma
Choroid plexus tumors
·
Choroid plexus papilloma
·
Choroid plexus carcinoma
Glial tumors of uncertain origin
·
Astroblastoma
·
Gliomatosis cerebri
Neuronal tumors
·
Ganglioglioma
·
Gangliocytoma
·
Dysembryoplastic
neuroepithelial tumor
·
Central neurocytoma
·
Paraganglioma
Primitive neuroectodermal (embryonal) tumors - PNET
·
Medulloepithelioma
·
Medulloblastoma
·
Neuroblastoma
·
Ependymoblastoma
Pineal tumors
·
Pineoblastoma
·
Pineocytoma
2. Meningeal tumors
Meningothelial origin
- Meningioma
- Papillary meningioma
- Anaplastic meningioma
Mesenchymal origin
- Lipoma
- Fibrosarcoma
- Leiomyoma / Leiomyosarcoma
- Rhabdomyoma /
Rhabdomyosarcoma
- Chondroma / chondrosarcoma
- Osteoma / osteosarcoma
- Hemangioma / Hemangioblastoma /Hemangiopericytoma
- Angiosarcoma
- Kaposi sarcoma
Melanocytic tumors - primary
- Melanocytoma
- Melanoma
- Meningeal melanomatosis
3. Nerve sheath tumors
- Schwannoma (neurilemoma)
- Neurofibroma
- Neurofibrosarcoma
4. Germ cell tumors
- Germinoma
- Embryonal
carcinoma
- Choriocarcinoma
- Teratoma
5. Malignant lymphomas
- Primary cerebral lymphoma
6. Malformative tumors
- Rathke's cleft cyst
- Craniopharyngioma
- Epidermoid cyst
- Dermoid cyst
- Neuroepithelial (colloid)
cyst
- Enterogenous cyst
7. Metastatic tumors
- Carcinoma
- Sarcoma
- Lymphoma
- Leukemia