Table 1 Design and PET performance specifications
From: NEMA NU 2–2007 performance characteristics of GE Signa integrated PET/MR for different PET isotopes
PET | |
|---|---|
Axial FOV | 25 cm |
Transaxial FOV | 60 cm |
Photodetector | SiPM |
Scintillator | LYSO |
Crystal element size | 25 × 4.0 × 5.3 mm3 |
Electronics | Integrated in-bore |
Time resolution | < 400 ps |
Energy window | 425–650 keV |
Coincidence timing window | 4.57 (± 2.29 ns) |
NEMA NU 2–2007 PET testa | |
Sensitivity | 22.5 cps/kBq |
Peak NECR | 212.2 kcps |
Activity at Peak NECR | 18.1 kBq/ml |
Scatter Fraction at Peak NECR | 44.1% |
Spatial Resolution (Axial) | (5.53–6.95) mm at 1 and 10 cm |