Multiple oligodendroglioma: Case report

An 18-year-old female patient was hospitalized with headache and disturbanc e of consciousness. Magnetic resonance imaging (MRI) revealed a tumor in th e left parieto-occipital lobe. The tumor was totally removed, and postopera tive radiation therapy was administered locally at 50 Gy. Ten months later, she experienced sudden onset of unconsciousness and headache. Computed tom ography (CT) and MRI demonstrated multiple mass lesions in the whole brain. Following the systemic chemotherapy, removal of the largest tumor was perf ormed. Histological examination proved all excised tumors to be oligodendro glioma without evidence of malignant change.