Table 1. Histopathological diagnoses of the tumours examined in this study.

Pathology	Number of patients (%) Total number = 46 (100%)
Low-grade gliomas (LGGs)	22 (47.83)
Astrocytoma optic neuroglioma	1 (2.17)
Astrocytoma fibrillare	11 (23.91)
Ganglioglioma	1 (2.17)
Astrocytoma gemistocyticum	2 (4.35)
Oligoastrocytoma	6 (13.04)
Oligodendroglioma	1 (2.17)
High-grade gliomas (HGGs)	24 (52.17)
Oligoastrocytoma anaplasticum	2 (4.35)
Astrocytoma anaplasticum	9 (19.56)
Glioblastoma multiforme	13 (28.26)