EJNMMI Physics

Table 4 Quantification error results for the spherical and kidney objects simulated in the patient phantom calculated 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

Objects	Quantification error (%)
Objects	Without PVC	With PVC	Without PVC	With PVC
Spheres	Sphere-CF	Sphere-CF-RC	Cylinder-CF	Cylinder-CF-RC
15.6 ml	− 4.42	3.47	− 19.97	3.53
24.4 ml	− 1.70	1.95	− 17.69	1.94
33.5 ml	− 0.34	1.32	− 16.65	1.32
65.4 ml	2.73	1.96	− 13.98	1.99
Average	− 0.93 ± 2.97	2.18 ± 0.91	− 17.07 ± 2.48	2.20 ± 0.94
Kidneys
L-K: 159 ml	18.98	1.01	− 0.37	0.94
R-K: 169 ml	22.34	3.50	2.44	3.45
Average	20.66 ± 2.38	2.26 ± 1.76	1.04 ± 1.99	2.20 ± 1.77

CF Calibration factor, L-K Left kidney, PVC Partial volume correction, R-K Right kidney, RC Recovery coefficient

Back to article page