Table 1 Performance characteristics of the Biograph mMR and Biograph mCT
From: Quantitative comparison of PET performance—Siemens Biograph mCT and mMR
Parameter | mMR | mCT |
|---|---|---|
Resolution (mm) | ||
Axial FWHM/FWTM @ 1 cm | 4.1/8.2 | 4.4/8.8 |
Transverse FWHM/FWTM @ 1 cm | 4.0/8.0 | 4.4/8.3 |
Axial FWHM/FWTM @ 10 cm | 6.4/11.8 | 5.7/10.7 |
Transverse FWHM/FWTM @ 10 cm | 5.0/10.8 | 4.9/9.3 |
Average sensitivity (kcps/MBq) | 13.3 | 10.0 |
Peak NECR (kcps) | 196 @ 24.4 kBq/mL | 186 @ 30.1 kBq/mL |
Scatter fraction (peak NECR) | 37.9 % | 37.7 % |
Count rate accuracy (mean bias, peak NECR) | 4.9 % | 1.9 % |