Fig. 1.
Quantitative measurement of 18F-FDG PET functional parameters. VOI (circled) was set to include OCC with metabolic activity and the software automatically calculated the SUVmax, SUVmean, SUVpeak and MTV. Patient A (59-year-old men) with a 3 × 1.5 × 1.0 cm tumour in the tongue had single 5-mm-positive lymph node in left level Ib and died of disease at 42 months after curative surgery, whereas patient B (66-year-old women) with a 2.4 × 1.3 × 0.9 cm tumour in the tongue had no positive lymph nodes in the neck and has been disease-free for 56 months after surgery