Fig. 2From: Optimization of a dedicated protocol using a small-voxel PSF reconstruction for head-and-neck 18FDG PET/CT imaging in differentiated thyroid cancerComparison of the tumour/background ratios (TBRs) in 3D-OSEM-reconstructed (a) and PSFallpass-reconstructed (b) head-and-neck (HN) PET data sets for each of the five acquisition times per bed position from 2 to 10 min with a 2-min increment. c Comparison of the TBRs between 3D-OSEM and PSFallpass-reconstructed HN PET data setsBack to article page