Table 1 Spatial resolutions measured on the reconstructed images obtained with the 85 keV ± 20% energy window and on the sum of the images obtained with each energy window (85 keV ± 20%, 154 keV ± 10%, 270 keV ± 10%)
From: 223Ra-dichloride therapy of bone metastasis: optimization of SPECT images for quantification
View | FWHM (mm) without attenuation | FWHM (mm) with attenuation | ||||
|---|---|---|---|---|---|---|
85 keV | Sum | Difference (%) | 85 keV | Sum | Difference (%) | |
Axial | 15.8 | 16.3 | 3.6 | 17.2 | 17.1 | − 1.0 |
Sagittal | 16.3 | 16.0 | − 1.5 | 17.6 | 16.5 | − 6.9 |