Fig. 2From: Evaluation of image quality at the detector’s edge of dedicated breast positron emission tomographyPositioning of the volume of interest (VOI) for the measurement of clinical PET images. A spherical VOI (red) on FDG uptake of the tumour and 5 (or 6) spherical VOIs (yellow) were placed to calculate the TBR. Transaxial and sagittal images of dbPET (a, b) and whole-body PET/CT (c, d)Back to article page