From: Non-invasive quantification of 18F-florbetaben with total-body EXPLORER PET
Aβ+(n = 3) | Aβ- (n = 12) | |||||||
---|---|---|---|---|---|---|---|---|
Index Regions | Reference | Index Regions | Reference | |||||
Regions | LF | MT | PC | C | LF | MT | PC | C |
K1(mL.cm-3.min-1) | 0.404 ± 0.087 | 0.44 ± 0.180 | 0.5 ± 0.065 | 0.498 ± 0.097 | 0.480 ± 0.083 | 0.505 ± 0.071 | 0.570 ± 0.082 | 0.629 ± 0.065 |
k2(min-1) | 0.076 ± 0.023 | 0.059 ± 0.034 | 0.069 ± 0.018 | 0.078 ± 0.021 | 0.094 ± 0.02 | 0.082 ± 0.018 | 0.102 ± 0.021 | 0.112 ± 0.027 |
k3(min-1) | 0.032 ± 0.008 | 0.023 ± 0.014 | 0.036 ± 0.011 | 0.012 ± 0.006 | 0.019 ± 0.008 | 0.022 ± 0.011 | 0.021 ± 0.008 | 0.044 ± 0.043 |
k4(min-1) | 0.018 ± 0.002 | 0.014 ± 0.003 | 0.018 ± 0.0009 | 0.024 ± 0.003 | 0.019 ± 0.005 | 0.023 ± 0.019 | 0.021 ± 0.009 | 0.042 ± 0.028 |
VT(cortex) VT‘(cerebellum) (mL.cm-3) | 17.126 ± 0.300 * † | 19.905 ± 1.607 * † | 21.737 ± 3.181 * † | 11.467 ± 0.268 | 10.761 ± 3.098 | 12.941 ± 3.110 | 12.071 ± 3.033 | 11.328 ± 1.941 |
Vs= “K1.k3” /“k2.k4” (mL.cm-3) | 11.661 ± 1.010 * † | 12.118 ± 2.513 * † | 14.360 ± 3.297 * † | 5.038 ± 0.757 | 5.481 ± 2.405 | 6.508 ± 2.078 | 6.332 ± 2.402 | 5.403 ± 0.965 |
\({V}_{b }\left(\frac{mL}{mL}\right)\) | 0.040 ± 0.016 | 0.049 ± 0.037 | 0.052 ± 0.017 | 0.052 ± 0.017 | 0.042 ± 0.014 | 0.044 ± 0.011 | 0.056 ± 0.012 | 0.057 ± 0.018 |
Delay (s) | 6.333 ± 1.528 | 6 ± 1 | 6.667 ± 1.528 | 7 ± 1 | 5.417 ± 1.730 | 5.417 ± 1.621 | 5.417 ± 1.929 | 6.083 ± 1.165 |