Table 1. Summary of the clinical MPH SPECT systems.
| System name | Resolution (mm)/imaging distance (mm) | Reported sensitivity (%) | Calculated sensitivity (%) | FOV (in diameter, mm) | VOI | Isotope | Ref. |
|---|---|---|---|---|---|---|---|
| 7-pinhole Anger camera | 10/127 | 750 cps/MBq | 0.075 | 127 | Heart | 201Tl | (33,76) |
| FASTSPECT | 4.8/100 | 973.0 cps/MBq | 0.097 | 200×200×100 ellipsoid | Brain | 99mTc | (77,78) |
| MPH MPI SPECT | 13/100 | 5×106 (a.u.) (10-fold higher than LEGP) | 0.119 | N/A | Heart | 201Tl | (64) |
| Discovery NM 530c | 6.1/100 | 640 cps/MBq | 0.064 | ellipsoid with dimensions ~190 | Heart | 99mTc, 201Tl, 123I | (4,79) |
| Multi-lofthole brain SPECT | 6.3/145 | 155 cps/MBq | 0.016 | 220 (124 mm long cylinder | Brain | 99mTc | (810 |
| 20-pinhole SPECT | 20.6/193 | 0.160 | 0.160 | 210 | Brain & heart | 123I, 99mTc | (3,5) |
| DaTscan SPECT | 4.7/140 | 87 cps/MBq | 0.009 | 280 | Brain | 123I | (7) |
| G-SPECT-I (brain/pediatric collimator)* | UHR: 2.5; HR: 3.5 | 415 cps/MBq & 896 cps/MBq | 0.042 & 0.090 | 398 & 859 | Brain & pediatric | 9mTc | (81,82) |
| 9-pinhole brain SPECT | 12.0 & 8.0/167 | 0.037 & 0.014 | 0.037 & 0.014 | 200 | Brain | 9mTc | (10) |
| Multi-pinhole cardiac SPECT (12-pinhole & 14-pinhole) | 10.0/186 & 8.2/220 | 0.035 & 0.017 | 0.035 & 0.017 | 160 & 200 | Heart | 9mTc | (8,9) |
| Small organ MPH SPECT | 6.8–7.6 | N/A | N/A | 90 | Small organs | 123I | (84) |
| Robotic MPH SPECT | 7 mm lesions resolved | N/A | N/A | 83 | Small organs | 9mTc | (85) |
| MBT | 3.5 | 0.082–0.370 | 0.082–0.370 | 27 | Breast | 9mTc | (11,86) |
| DC-SPECT | 10 | 0.081 | 0.081 | 180 | Heart | 9mTc | (87) |
| AdaptiSPECT-C | N/A | N/A | N/A | 210 | Brain | N/A | (91) |
| Triple-head SPECT | 9–11 | N/A | N/A | N/A | Brain and heart | 9mTc | (94) |
| Hemi-ellipsoid SPECT | 4.4/150 | ~3.35 times over D-SPECT | 0.281 | 200 | Heart | 9mTc | (95) |
| MPH SPECT/MRI | 8–10 | 1.8×10−4 | 0.018 | 180–200 | Brain | 9mTc, 123I, 177Lu | (98,99) |
*, body collimator is under characterization.