Patient demographics, histologic features, surgical procedure, and MR imaging findings for patients diagnosed with oligodendroglial tumors

Subject	Age (yr)	Sex	HD	WHO Grade	LOH on 1p/19q	Classic Histology	Surgical Procedure	Contrast Enhancement	Histogram Peak Heights^*
1	62	F	OD	II	Yes	Yes	Resection	None	0.120
2	36	F	OA	II	Yes	No	Resection	None	0.095
3	28	M	OA	II	No	No	Biopsy	None	0.118
4	63	M	AOD	III	Yes	Yes	Resection	Moderate	0.075
5	54	M	AOD	III	Yes	Yes	Resection	Moderate	0.024
6	54	M	OD	II	Yes	Yes	Biopsy	None	0.091
7	44	F	OA	II	Yes	No	Resection	None	0.093
8	44	M	OA	II	No	No	Resection	None	0.109
9	40	F	OA	II	No	No	Resection	Extensive	0.108
10	37	F	OD	II	Yes	Yes	Biopsy	None	0.070
11	37	F	OA	II	No	No	Resection	None	0.108
12	30	F	OA	II	Yes	Yes	Resection	None	0.095
13	59	M	AOD	III	No	No	Biopsy	Extensive	0.109
14	31	F	OD	II	Yes	Yes	Resection	None	0.100
15	51	M	AOA	III	No	No	Resection	None	0.081
16	29	F	AOA	III	No	No	Resection	Moderate	0.045
17	71	M	AOA	III	No	No	Resection	Moderate	0.069
18	63	M	AOA	III	No	No	Resection	Moderate	0.070
19	47	M	OA	II	Yes	No	Biopsy	Moderate	0.093
20	43	F	OA	II	No	No	Resection	None	0.116
21	64	M	OD	II	Yes	Yes	Biopsy	None	0.105
22	38	M	OA	II	No	No	Resection	None	0.122

Note:—HD indicates histopathologic diagnosis; OA, oligoastrocytoma; OD, oligodendroglioma; AOD, anaplastic oligodendroglioma; AOA. anaplastic oligoastrocytoma; LOH, loss of heterozygosity.
* The histogram peak height is in units of relative frequency between 0–1.