TABLE 2

Target Definition in 20 Gliomas in Cortex

Diagnosis	¹⁸F-FDG-defined target (FDGt > FDGgm)	Met-defined target
Diagnosis	¹⁸F-FDG-defined target (FDGt > FDGgm)			FDGt = FDGgm	FDGt < FDGgm
GB	4	2	—
AA	2	5	1*
LGG	1	2	3*
Total	7	9	4*

↵* Not enhanced after contrast on CT/MR.
FDGt = ¹⁸F-FDG uptake in tumor; FDGgm = ¹⁸F-FDG uptake in surrounding gray matter.