Selected Published BD Single-Photon Radionuclide Imaging System Specifications and Imaging Performance Statistics
| System | Geometry | FOV (mm) | Patient orientation | Crystal type | Collimator type | Collimator hole diameter/hole length/septal thickness (mm) | Spatial resolution (mm) | Sensitivity (cps/MBq) | Energy resolution at 140 keV |
| Dilon Diagnostics 6800 (49) | Single-panel projection | 200 x, 200 y | Compression | NaI | Parallel-hole | 1.22/25/0.15 | 4.2 (S/C, 3 cm) | 31 (EW, 126–154 keV) | 9.5% |
| 1.22/36/0.375 | 4.0 (S/C, 3 cm) | 16 (EW, 126–154 keV) | |||||||
| Gamma Medica LumaGEM 3200S (50) | Dual-panel projection | 200 x, 160 y | Compression | CdZnTe | Parallel-hole | 1.22/9.4/0.15 | 5.6 (S/C, 3 cm) | 510 (EW, 110–154 keV) | 3.8% |
| 2.5/25/0.30 | 4.8 (S/C, 3 cm) | 176 (EW, 110–154 keV) | |||||||
| GE Healthcare Discovery NM750b (50) | Dual-panel projection | 200 x, 200 y | Compression | CdZnTe | Parallel-hole | 2.1/21/0.40 | 4.6 (S/C, 3 cm) | 318 (EW, 110–154 keV) | 6.5% |
| 2.26/34.7/0.24 | 4.4 (S/C, 3 cm) | 149 (EW, 110–154 keV) | |||||||
| Duke University SPECT/CT (22) | Rotating | 200 x, 160 y | Pendant | CdZnTe | Parallel-hole | 1.22/25.4/0.2 | 3.4 (S/C, 1 cm, planar); 2.7 (S/C, reconstructed at 3-mm rotation radius, sagittal and coronal) | 37.9 (EW, 129–151 keV) | 6.8% |
| University of Naples SPECT/CT (21) | Rotating | 70 x, 70 y | Pendant | CdTe | Pinhole | 1.2-mm effective aperture diameter | 5.1 (S/C, 3 cm); 7.2 (S/C, 5 cm) | Not applicable | Not applicable |
| University of Virginia breast tomosynthesis (23,51) | Limited rotation | 203 x, 152 y | Compression | NaI (Tl) | Parallel-hole | 1.778/19.99/0.305 | 3.2 (intrinsic) | 147 (EW, 126–154 keV) | 17.5% |
x/y = linear orthogonal axes; EW = energy window; S/C = source-to-collimator distance.