Comparison of Micro Insert System and microPET F-220 Scanner
| Characteristic | Micro insert system | microPET F-220 |
|---|---|---|
| Image resolution (FWHM) | ||
| SS events | 1.7–1.8 mm | 1.7–1.8 mm |
| IS events | 1.3–1.5 mm | NA |
| II events | 1.0–1.2 mm | NA |
| Sensitivity at the center of FOV (250- to 750-keV energy window and 6-ns timing window) | 2.67% | 3.0% |
| Energy resolution | 19.0% | 18.5% |
| FOV | ||
| Transaxial | ∼4 cm | 20 cm |
| Axial | 5.7 cm total with central 2 cm with higher resolution | 7.6 cm |
NA = not applicable.