N Concordance 1 wly diagnosed pure and mixed aggressive oligodendrogliomas. II. Determine the t 2 his diagnosis changed to an anaplastic oligodendroglioma on subsequent central 3 patients with pure and mixed anaplastic oligodendrogliomas randomized to procar 4 gery is the first form of treatment for oligodendroglioma. The aim of surgery is 5 y that was most prominent in high-grade oligodendrogliomas, astrocytomas, and mi 6 ressor locus. Two out of four low-grade oligodendrogliomas displayed partial del 7 ith bcl-2 which was poorly expressed in oligodendrogliomas, with the exception o 8 Like most brain tumours the cause of oligodendroglioma is unknown. Research i 9 rate that the morphological spectrum of oligodendrogliomas includes tumors which 10 mine the extent of a slowly progressive oligodendroglioma, which gradually grew 11 The tumor, a histologically verified oligodendroglioma, was extensively resec 12 extended the survival of patients with oligodendroglioma. Unfortunately, there