A Ki‐67 labeling index (LI) of 4.11 ± 5.14, 21.65 ± 10.66, and 7.15 ± 6.86 was found for the grade II oligodendrogliomas, grade III oligodendrogliomas, and grade II oligoastrocytomas, respectively. Here, MKI67 is linked to oligodendroglioma.