EJNMMI Physics

Table 3 Quantification error results for spheres simulated in the torso phantom with and without partial volume corrections (PVCs)

From: The effect of calibration factors and recovery coefficients on ¹⁷⁷Lu SPECT activity quantification accuracy: a Monte Carlo study

Object	Quantification error (%)
Object	Without PVC	With PVC	Without PVC	With PVC
Sphere	Sphere-CF	Sphere-CF-RC	Cylinder-CF	Cylinder-CF-RC
15.6 ml	− 4.92	2.92	− 20.39	2.99
24.4 ml	− 5.54	− 2.03	− 20.90	− 2.03
33.5 ml	− 4.84	− 3.26	− 20.32	− 3.26
65.4 ml	− 2.70	− 3.44	− 18.53	− 3.41
Average	− 4.50 ± 1.24	− 1.45 ± 2.98	− 20.04 ± 1.04	− 1.43 ± 3.01

CF Calibration factor; PVC Partial volume correction, RC Recovery coefficient

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