Breast Imaging Devices
| Manufacturer | ||||||
| Parameter | Dilon | Dilon | GammaMedica | Digirad | GE Healthcare | Naviscan |
| Model | 6800 | 6800 Acella | LumaGem | Ergo | Discovery NM 530c | High-resolution organ-specific PET scanner |
| No. of heads | 1 | 1 | 2 | 1 | 1 or 2 | 2 |
| Detector material | NaI(Tl) | CsI(Tl) | CZT | CsI(Tl) | CZT | Lutetium yttrium oxyorthosilicate |
| Detector size | 3 × 3 × 6 mm | 3 × 3 × 6 mm | 1.6 × 1.6 × 5 mm | 3 × 3 × 6 mm | 2.6 × 2.6 mm | 2 × 2 × 13 mm |
| Photon/electron collection | PSPMT | p-type/intrinsic/n-type photodiode | Application-specific integrated circuit | Silicon photodiode | Application-specific integrated circuit | PSPMT |
| Collimation | γ-camera types | γ-camera types | Registered collimator | γ-camera types, pinhole | Registered collimator | None |
| Dead space | 10 mm | 10 mm | 8 mm | 12.7 mm | “Minimal” | 13 mm |
| Imaging FOV | 15 × 20 cm | 20 × 25 cm | 16 × 20 cm | 40 × 30 cm | 16 × 24 cm | 17 × 24 cm |
| Energy resolution | 13.5% | 7.9% | <5% (140 keV) | 7.9% (140 keV) | 6.5% (140 keV) | 13% |
| Energy range | 70–200 keV | 50–170 keV | Optimized for photons < 160 keV, capable of up to 511 keV | 50–350 keV | 80–200 keV | 350–700 keV |
| Spatial resolution | 3.3 mm | 3.3 mm | 1.6 mm | 3.3 mm | 2.46 mm | 2.4 mm |
| Source for statistics | Company’s specification sheet | Company’s specification sheet | Company’s specification sheet and written communication from James Hugg, Chief Technology Officer, GammaMedica, August 2011 | Company’s specification sheet | Company’s specification sheet | Luo and MacDonald articles and written communication from Weidong Luo, Director of Imaging Physics for Naviscan, October 2011 |