Table 8 PET image quality (contrast recovery) for different sphere diameters (whole-body PETs).
PET Name | Contrast Recovery (Background Variability) | ||||||
|---|---|---|---|---|---|---|---|
10 mm | 13 mm | 17 mm | 22 mm | 28 mm | 37 mm | Relative count rate error at NECR-peak (%) | |
Celestion | 27,9 (6,2) | 48,6 (5,3) | 52,0 (4,6) | 60,5 (4,1) | 72,9 (3,9) | 77,1 (3,8) | 17.3 (TOF-LM-OSEM) |
Biograph mCT flow | 28,5 (24,3) | 42,3 (42,6) | 58,4 (568,35) | 71,7 (70,7) | 70,1 (70,3) | 78,3 (78,25) | 3.7 (FORE-FBP) |
Biograph mCT | 37 | 66 | 72,2 | 77,3 | 81 | 85,3 | 1.9 (FORE-FBP) |
Biograph mMR | 23,4 | 57,1 | 75,2 | 83 | 58,8 | 67,5 | 4.9 (FPRE-FBP) |
Vereos | 38,4 (8.4) | 61,3 (7.1) | 65,9 (5,9) | 68.5 (4,6) | 83,4 (3,5) | 86,4 (2,8) | — |
Ingenuity TF | 0,39 | 0,73 | 0,74 | 0,8 | 0,84 | 0,81 | — |
Ingenuity PET/MR | 30 (7) | 50 (6) | 61 (4) | 70 (3) | 78 (3) | 81 (3) | — |
Geminity | 34,70 (8,65) | 51,43 (7.89) | 60,83 (7.05) | 72,13 (6.15) | 73.88 (5.46) | 77.65 (5.04) | |
SIGNA PET/MR | 35,2 (4,9) | 48,9 (4,0) | 59,9 (3,2) | 68,6 (2.7) | 79,2 (2.2) | 87.4 (1.9) | 3.3 (OSEM) |
Discovery MI | 51.7 (10) | 61.5 (7.8) | 66.2 (6.0) | 81.3 (4.8) | 86.6 (3.8) | 90.0 (3.0) | 2–3 (not in NECR-peak) |
Discovery IQ | 22 (3.3) | 68 (2.0) | 68 (2.0) | 76 (2.5) | 73 (2.5) | 81 (2.5) | 3.9 (OSEM) |
