From: Quantitative comparison of PET performance—Siemens Biograph mCT and mMR
mMR | mCT | |||||
---|---|---|---|---|---|---|
OSEM | PSF | OSEM | PSF | TOF | PSF + TOF | |
Inner diameter (mm) | ||||||
10 | 25.2 | 23.4 | 28.4 | 28.9 | 31.0 | 37.0 |
13 | 53.8 | 57.1 | 50.8 | 57.5 | 54.4 | 66.0 |
17 | 70.6 | 75.2 | 62.3 | 70.1 | 64.6 | 72.7 |
22 | 80.8 | 83.0 | 70.9 | 74.4 | 73.4 | 77.3 |
Mean (hot spheres) | 57.6 | 59.7 | 53.1 | 57.7 | 55.8 | 63.2 |
28 | 58.7 | 58.8 | 70.8 | 70.9 | 80.3 | 81.0 |
37 | 67.1 | 67.5 | 76.2 | 76.4 | 84.5 | 85.3 |
Mean (cold spheres) | 62.9 | 63.1 | 73.5 | 73.7 | 82.4 | 83.1 |