TABLE 1.
Transverse Spatial Resolution of PennPET Explorer Whole-Body Imager
| Parameter | Radius (cm) | Rings (n) | Algorithm | Radial (mm) | Tangential (mm) | Axial (mm) |
| FWHM | 1 | 1 | Analytic | 4.2 ± 0.3 | 3.9 ± 0.4 | 4.1 ± 0.2 |
| 1 | 1 | Iterative | 3.9 ± 0.3 | 3.8 ± 0.3 | 3.6 ± 0.2 | |
| 1 | 3 | Iterative | 3.9 ± 0.2 | 3.9 ± 0.3 | 3.9 ± 0.3 | |
| 10 | 3 | Iterative | 4.2 ± 0.2 | 3.9 ± 0.2 | 3.9 ± 0.3 | |
| 20 | 3 | Iterative | 5.6 ± 0.2 | 3.9 ± 0.4 | 3.7 ± 0.3 | |
| FWTM | 1 | 1 | Analytic | 8.5 ± 0.8 | 8.4 ± 0.9 | 7.9 ± 0.2 |
| 1 | 1 | Iterative | 7.2 ± 0.4 | 7.1 ± 0.2 | 6.8 ± 0.2 | |
| 1 | 3 | Iterative | 7.4 ± 0.6 | 7.3 ± 0.2 | 7.8 ± 1.2 | |
| 10 | 3 | Iterative | 8.1 ± 0.2 | 7.2 ± 0.2 | 7.6 ± 0.8 | |
| 20 | 3 | Iterative | 10.4 ± 0.3 | 7.2 ± 0.2 | 7.3 ± 0.7 |
FWHM = full width at half maximum; FWTM = full width at tenth maximum.
Uncertainties are SD of replicate measurements.