TABLE 2

Results

Patient no.	MRI evaluation	Improvement in Karnofsky performance score	Change in ¹⁸F-FDG PET SUVmax during therapy	Change in maximum ¹⁸F-FET uptake relative to contralateral background
1	No recurrent tumor tissue	60%−100%	13.5–2.6 g/mL	1.07–1.3
2	Necrosis in target volume	70%−80%	6.8–5.3 g/mL	3.2^*
3	Necrosis in target volume	60%−80%	7.3 g/mL^*	2.0–2.9