TABLE 3:

Spatial localization of elevated Lac and Lip levels compared with morphologic abnormalities before surgery

Patient	Pathology	Elevated Lac			Elevated Lip
		Macronecrosis	CE	T2-CE	Macronecrosis	CE	T2-CE
1	A2	No	No	No	No	No	No
2	OD2	No	No	No	No	No	No
3	OA2	No	No	No	No	No	No
4	OD2	No	No	No	No	No	No
5	OD2	No	No	No	No	No	No
6	OD2	No	No	Yes	No	No	No
7*	OD2	No	No	No	No	No	No
18	AA3	No	Yes	No	No	Yes	No
19	AA3	No	Yes	No	No	No	No
20	OD3	No	No	No	No	No	No
21*	AA3	No	No	No	No	No	No
22*	OD3	No	No	Yes	No	No	No
23	GBM	Yes	Yes	No	Yes	Yes	No
24	GBM	No	Yes	No	No	No	No
25	GBM	Yes	Yes	Yes	Yes	Yes	No
26*	GBM	No	No	No	Yes	Yes	No
27*	GBM	No	Yes	No	No	Yes	No
28*	GBM	No	Yes	No	No	No	No
29*	GBM	Yes	Yes	No	Yes	No	No
30*	GBM	Yes	No	No	Yes	Yes	No
31*	GBM	Yes	Yes	Yes	Yes	Yes	No
32*	GBM	No	No	No	Yes	Yes	No
33*	GBM	Yes	Yes	No	Yes	Yes	No

Note.—Data before surgical resection or biopsy. CE indicates contrast enhancement; T2-CE, regions within T2 hyperintensity but outside contrast enhancement.

^*Patients with both presurgical and postsurgical data.