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FIGURE 2. Serial myocardial 18FDG PET results of 58-y-old male patient with non-Hodgkin's lymphoma who submitted 3 times to whole-body PET/CT. Short-axis, horizontal long-axis, and vertical long-axis slices are displayed together with polar maps of the semiquantitative QPS software. Overlays of 20 myocardial segments, coronary artery territories, and myocardial walls are represented on top, middle, and bottom 2-dimensional polar maps, respectively. Patient was asymptomatic and completely free of any sign of cardiovascular diseases during observation period. After 18F-FDG injection in fasting conditions, with blood glucose levels never exceeding 100 mg/dL, a marked variability of regional myocardial uptake over time is evident.
