Fig. 1From: Towards accurate 177Lu SPECT activity quantification and standardization using lesion-to-background voxel ratioa NEMA IQ phantom and b PET cylindrical flood phantom used for calibration. Anthropomorphic c Torso (ECT/TOR/P, (Data Spectrum, Hillsborough, NC)) and d LK-S Kyoto Liver/Kidney phantoms used for 177Lu activity quantification validation in spheres and large organsBack to article page