Oligodendrogliomas develop from glial cells called oligodendroglia and represent about 5% of all gliomas. They occur most often in young adults, within the brain's cerebral hemispheres. Doctors often treat these tumors with surgery followed by radiation therapy and sometimes chemotherapy. Oligodendroglioma, a relatively rare brain tumor, grows slowly as a rule and is moderately sensitive to radiation therapy. There is a malignant form of oligodendroglioma and a mixed malignant astrocytoma-oligodendroglioma, both of which are treated much like the glioblastoma multiforme.

Please visit the National Brain Tumor Foundation (www.braintumor.org) site for more information.

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