TABLE 1.

Summary of demographics in 49 patients

Characteristic	Value
% male sex	71
mean age in yrs	44
age range in yrs	20–72
mean tumor vol in cm3	37.0 ± 45.6
% high-grade tumors	51
tumor lobe location (% of patients)
lt frontal	38.7
lt frontotemporal	12.2
lt temporal	36.8
lt insula	6
lt parietal	6
tumor pathology (% of patients)
high-grade astrocytoma	45
oligodendroglioma	35
low-grade astrocytoma	8
dysembryoplastic neuroepithelial tumor	6
mixed glioma & oligoastrocytoma	4
pilocytic astrocytoma	2