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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 (%)
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
  1. CF Calibration factor; PVC Partial volume correction, RC Recovery coefficient