TABLE 1

Patient Data

Patient no.	Age (y)	Sex	Diagnosis	Pretreatment	MRI*
1	37	F	Oligoastrocytoma WHO III	None	Gd−
2	45	F	Astrocytoma WHO II	None	Gd+
3	60	F	Demyelinization	None	Gd+
4	70	M	Oligodendroglioma WHO III	Surgery	Gd++; necrotic
5	33	M	Oligoastrocytoma WHO III	None	Gd+
6	50	F	Astrocytoma WHO III	None	Gd−
7	47	F	Cavernoma	None	Gd++
8	48	M	Astrocytoma WHO III	Surgery	Gd+
9	58	F	Glioblastoma WHO IV	None	Gd++
10	61	F	Astrogliosis	Biopsy	Gd−
11	57	F	Astrocytoma WHO II	None	Gd−
12	66	M	Astrocytoma WHO III	None	Gd++
13	54	M	Glioblastoma WHO IV	Surgery, irradiation	Gd++; necrotic
14	56	F	Oligodendroglioma WHO III	None	Gd+
15	49	F	Glioblastoma WHO IV	None	Gd++; necrotic
16	36	M	Oligodendroglioma WHO II	Surgery	Gd−
17	52	M	Astrocytoma WHO II	Surgery	Gd−
18	50	F	Astrogliosis	None	Gd−
19	74	F	Astrocytoma WHO II	None	Gd−
20	57	F	Oligodendroglioma WHO III	None	Gd+

↵* MRI shows no (Gd−), moderate (Gd+), or strong enhancement (Gd++) of gadolinium-labeled diethylenetriaminepentaacetic acid; necrotic = tumor has necrotic or cystoid components.
WHO = World Health Organization grade.