Table 1:

Patient demographics, tumor localization, and histologic diagnosis

Grade	Age (yr)	Sex	Localization	Sample Obtained	Pathologic Diagnosis	WHO Grade
High
1	77	Male	Left parietal lobe	Surgical resection	Glioblastoma multiforme	IV
2	67	Male	Right parietal lobe	Surgical resection	Glioblastoma multiforme	IV
3	84	Female	Left parietal lobe	Stereotaxic biopsy	Glioblastoma multiforme	IV
4	61	Female	Right frontal lobe	Surgical resection	Glioblastoma multiforme	IV
5	60	Male	Right frontal lobe	Surgical resection	Glioblastoma multiforme	IV
6	68	Male	Right insula	Surgical resection	Glioblastoma multiforme	IV
7	73	Male	Right frontotemporal lobes	Surgical resection	Anaplastic oligoastrocytoma	III
8	36	Male	Left insula	Stereotaxic biopsy	Diffuse glioma	III
9	50	Male	Left temporal lobe	Stereotaxic biopsy	Glioblastoma multiforme	IV
10	43	Male	Left temporal lobe	Surgical resection	Glioblastoma multiforme	IV
11	73	Male	Left temporal lobe	Surgical resection	Glioblastoma multiforme	IV
12	53	Male	Left parietal lobe	Surgical resection	Glioblastoma multiforme	IV
13	60	Female	Left operculum	Stereotaxic biopsy	Glioblastoma multiforme	IV
14	24	Male	Left cingulum	Stereotaxic biopsy	Anaplastic oligoastrocytoma	III
15	61	Male	Left temporal lobe	Surgical resection	Glioblastoma multiforme	IV
16	63	Female	Right frontal lobe	Surgical resection	Glioblastoma multiforme	IV
Low
1	38	Male	Right frontal lobe	Surgical resection	Oligoastrocytoma	II
2	58	Male	Right frontal lobe	Surgical resection	Neuroglial tumor	II
3	54	Male	Left temporo-occipital lobes	Stereotaxic biopsy	Diffuse astrocytoma	II
4	38	Male	Left frontal lobe	Stereotaxic biopsy	Oligodendroglioma	II
5	2	Male	Centered on 3rd ventricle	Stereotaxic biopsy	Pilomyxoid astrocytoma	II

Note:—WHO indicates World Health Organization.