Cerebral and cerebellar tumours Causes

Cerebral and cerebellar tumours Causes - Cerebral and...

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Cerebral and cerebellar tumours Causes 80% of brain tumours arise from the substance of the brain (Primary tumours); while 20% result from metastatic spread of cancer from another site. There are over 100 different types of brain tumour and not all are malignant. Brain tumours are usually named after the cell type from which they form. Primary brain tumours include:- Gliomas (account for 50% of all primary brain tumours) o Astrocytomas (most common type of glioma in both adults and children) o Ependymomas (account for about 5% of primary brain tumours, more common in children) o Oligoderndrogliomas(account for about 5% of primary brain tumours, more common in adults) Acoustic neuromas (benign tumours of old age that develop in CNVIII) Craniopharyngiomas (Grow near the base of the skull, more common in children) Haemangioblastomas (Slow growing tumours of vascular origin, account for 2% of all brain tumours) Lymphomas (Lymphoma can begin in the brain Meningiomas (Very common, account for 25% of all primary brain tumours, found in the elderly)
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This note was uploaded on 12/04/2011 for the course ANTHRO 2000 taught by Professor Monicaoyola during the Fall '10 term at Broward College.

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Cerebral and cerebellar tumours Causes - Cerebral and...

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