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Incidence: Metatasis– most common Primary Brain Tumors–
Glioma
Site: adults: supratentorial children: infratentorial
Classification
WHO: Neuroepithelial:
Astrocyte- astrocytomas Oligodendrocytes- olidendrogliomas Ependymal cells and choroid plexus- ependymoma and choroid plexus papilloma Neurons: ganglioglioma, gangliocytoma, neuroblastoma Pineal Cells: Pineocytoma, pineoblastoma Embryonic: PNET
Meninges: meningioma Nerve Sheath Cells: Neuroma Neurofibroma Blood Vessels: Hemangioblastoma Germ Cells: Germinoma, Teratoma Tumors of maldevelopmental Origin-
Craniopharyngioma, Epidermoid/Dermoid Cysts, Colloid Cyst
Anterior Pituitary Gland: Pituitary Adenoma
Management
Anticonvulsants: Mannitol Furosemide Operative Management Radiotheraphy SRS Chemotheraphy
Intrinsic Brain Tumors
Astrocytoma Grade I Pilocytic Grade II Low grade Astrocytoma fibrillary and protoplasmic Grade III Anaplastic Astrocytoma Grade IV Glioblastoma Multiforme