Table 1.

Patient demographics and clinical characteristics.

Characteristic	Number of subjects (Total: N = 12)
Age at time of surgery (year)	46.83 ± 12.17
Sex
Male	4
Female	8
Tumor location
Frontal	2
Parietal	1
Temporal	7
Basal ganglia	1
Frontotemporal	1
WHO classification
Grade I	1
Grade II	2
Grade III	0
Grade IV	9