Design Characteristics of NeuroPET/CT with HR+ for Comparison
| Characteristic | NeuroPET/CT value | HR+ value |
| Detector ring diameter (cm) | 35.7 | 82.4 |
| Detector material | LYSO:Ce | BGO |
| No. of crystals | 77,700 | 18,432 |
| Modules | 7 | 32 rings |
| Blocks/module | 3 × 4 | |
| Crystal size (mm) | 2.3 × 2.3 × 10 (× 2 layers) | 4.05 × 4.39 × 30 |
| Crystal array/block | 22 × 22 outer, 21 × 21 inner | 16 crystals/pmt |
| Transaxial FOV (cm) | 25 | 58.3 |
| Axial FOV (cm) | 22 | 15.5 |
| Coincidence window (ns) | Online, 10.14 (offline, 7) | 12 |
| Energy window (keV) | Variable, default: 400–650 | 300–650 |
LYSO:Ce = cerium-doped lutetium yttrium orthosilicate; BGO = bismuth germanate.