Table 1:

Histopathologic diagnosis distributed by tumor grade

HistologyGrade IIGrade IIIGrade IVTotal
Astrocytomas15 (11.9%)7 (5.6%)73 (57.9%) (GBM)95 (75.4%)
Oligodendrogliomas8 (6.3%)10 (7.9%)18 (14.2%)
Oligoastrocytomas3 (2.4%)3 (2.4%)7 (5.6%) (GBM-O)13 (10.4%)
Total26 (20.6%)20 (15.9%)80 (63.5%)126 (100%)
  • Note:—GBM indicates glioblastoma multiforme; GBM-O, glioblastoma with oligoastrocytoma grade IV.