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Table 1 Summary of the key characteristics for each of the camera systems, which were taken into account for the quantitative SPECT reconstruction, as well as the planar image quantification, used in the protocol. Medium-energy general purpose collimators were employed for all camera systems, and an energy window centred over the 208-keV photo peak

From: Feasibility of simplifying renal dosimetry in 177Lu peptide receptor radionuclide therapy

Camera 1 2 3 4 5 6 7 8
Model GE Discovery VG GE Discovery NM/CT 670 GE Millenium VG GE Infinia Philips IRIX GE Discovery NM/CT 670 GE Discovery NM/CT 670 Pro GE Discovery NM/CT 670 Pro
Crystal thickness (inches) 8/8 5/8 5/8 3/8 6/8 5/8 5/8 5/8
System sensitivity in 208 keV window (cps/MBq) 9.12 7.90 7.35 6.58 12.92 8.72 7.00 7.80
Energy window centred at 208 keV 20% 15% 20% 20% 20% 20% 20% 20%