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Table 2 Quantification error results for spheres simulated in a cylindrical 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 (%)
Without PVC With PVC Without PVC With PVC
Sphere Sphere-CF Sphere-CF-RC Cylinder-CF Cylinder-CF-RC
15.6 ml − 4.56 3.32 − 20.08 3.28
24.4 ml − 3.40 0.19 − 19.11 0.19
33.5 ml − 2.05 − 0.43 − 17.98 − 0.43
65.4 ml 1.60 0.83 − 14.93 0.86
Average − 2.10 ± 2.67 0.98 ± 1.64 − 18.03 ± 2.23 0.98 ± 1.62
  1. CF Calibration factor; PVC Partial volume correction, RC Recovery coefficient