Table 1.

Pathologic and demographic features of 20 cases.

No	Diagnosis	FISH (1p36/19q13)	IDH1 by Sanger sequencing	Location	Sex	Age (yrs)
1	oligodendroglioma	positive	R132H	frontal	M	39
2	oligodendroglioma	positive	R132H	temporal	M	56
3	oligodendroglioma	positive	R132H	frontal	F	62
4	oligodendroglioma	positive	Negative	frontal	F	42
5	oligodendroglioma	positive	R132H	frontal	M	34
6	oligodendroglioma	positive	R132H	frontal	F	55
7	oligodendroglioma	positive	R132H	frontal	M	40
8	oligodendroglioma	positive	R132H	temporal	F	63
9	oligodendroglioma	positive	NA	frontal	M	41
10	oligodendroglioma	positive	NA	frontal	F	29
11	anaplastic oligodendroglioma	positive	NA	frontal	F	45
12	anaplastic oligodendroglioma	positive	NA	frontal	M	65
13	anaplastic oligodendroglioma	positive	R132H	frontal	F	70
14	anaplastic oligodendroglioma	positive	Negative	temporal	M	63
15	anaplastic oligodendroglioma	positive	NA	frontoparietal	M	58
16	anaplastic oligodendroglioma	positive	NA	frontal	F	52
17	anaplastic oligodendroglioma	positive	NA	frontal	M	54
18	anaplastic oligodendroglioma	positive	NA	frontal	F	66
19	anaplastic oligodendroglioma	positive	NA	frontotemporal	F	51
20	anaplastic oligodendroglioma	positive	NA	frontal	F	48

FISH, in situ hybridization; NA, not available; M, male; F, female.