931 / 1363
PERCIST
•
18F-FDG PET response criteria
•
Complete metabolic response; disappearance
of signal
•
Partial metabolic response; > 30 % reduction
in uptake
•
Progressive metabolic disease; > 30 % increase
•
Liver normalization recommended to minimize
variability
•
Still, few applications in RT
THE JOURNAL OF NUCLEAR MEDICINE 50(5); 2009