Table 1 Parameters used in the processing of the quantitative planar and SPECT data
From: In vivo quantification of 177Lu with planar whole-body and SPECT/CT gamma camera imaging
Imaging mode | Parameter | Value | Units | Comment |
|---|---|---|---|---|
Planar | Attenuation coefficient in water: 57Co | 0.125 | cm−1 | Used in scaling transmission scan; broad-beam value |
Planar | Attenuation coefficient in water: 177Lu | 0.090 | cm−1 | Used in scaling transmission scan; broad-beam value |
SPECT | Transmission-dependent scatter correction parameter: A | 2.15 | – | Constant used in scatter correction of 177Lu data |
SPECT | Transmission-dependent scatter correction parameter: B | 1.15 | – | Constant used in scatter correction of 177Lu data |
SPECT | Transmission-dependent scatter correction parameter: β | 0.29 | – | Constant used in scatter correction of 177Lu data |
SPECT | FWMH of Gaussian in transmission-dependent scatter correction kernel | 0.344 | cm−1 | Constant used in scatter correction of 177Lu data |
SPECT | Attenuation coefficient in water: 177Lu | 0.110 | cm−1 | Used for attenuation correction of SPECT; narrow-beam value |