Fig. 4From: Optimizing reconstruction parameters for quantitative 124I-PET in the presence of therapeutic doses of 131ICorrected and uncorrected number of true events measured in projection space at the center of the 37-mm-diameter sphere of the IEC phantom and in the phantom background, for increasing 131I activity concentration and for acquisition performed with the phantom centered in the FOV (a) and the phantom off-centered (b)Back to article page