Table 4.
Quantification error results for the spherical and kidney objects simulated in the patient phantom calculated with and without partial volume corrections (PVCs)
| Objects | Quantification error (%) | |||
|---|---|---|---|---|
| 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