Fig. 2From: Diagnostic accuracy of 13N-ammonia PET, 11C-methionine PET and 18F-fluorodeoxyglucose PET: a comparative study in patients with suspected cerebral gliomaA patient aged 40–45 years with glioblastoma. Contrast enhanced CT (a) shows a moderately enhanced lesion in the right temporal lobe (arrow). 18F-FDG (b), 13N-NH3 (c) and 11C-MET (d) were all positive for the lesion, and the tracer accumulation of 11C-MET was higher than that of 13N-NH3 and 18F-FDGBack to article page