Table 5. Scattering power b as a function of measurement position and BIRADS category.
CC View | BIRADS category | 1 Outer | 2 Chest | 3 Inner | 4 Nipple | 5 Middle | All areas | Full scan |
---|---|---|---|---|---|---|---|---|
Left | 1 | 0.39 ± 0.08 | 0.33 ± 0.07 | 0.38 ± 0.10 | 0.39 ± 0.12 | 0.38 ± 0.09 | 0.38 ± 0.09 | 0.39 ± 0.10 |
2 | 0.45 ± 0.10 | 0.39 ± 0.09 | 0.46 ± 0.09 | 0.48 ± 0.14 | 0.45 ± 0.09 | 0.45 ± 0.11 | 0.46 ± 0.09 | |
3 | 0.65 ± 0.14 | 0.47 ± 0.18 | 0.75 ± 0.17 | 0.71 ± 0.23 | 0.65 ± 0.18 | 0.70 ± 0.20 | 0.68 ± 0.23 | |
4 | 0.91 ± 0.21 | 0.71 ± 0.18 | 0.99 ± 0.10 | 0.96 ± 0.21 | 0.89 ± 0.21 | 0.96 ± 0.20 | 0.90 ± 0.21 | |
All | 0.58 ± 0.22 | 0.46 ± 0.23 | 0.63 ± 0.17 | 0.61 ± 0.28 | 0.58 ± 0.24 | 0.61 ± 0.24 | 0.59 ± 0.26 | |
Right | 1 | 0.42 ± 0.05 | 0.38 ± 0.07 | 0.40 ± 0.05 | 0.44 ± 0.08 | 0.41 ± 0.06 | 0.41 ± 0.06 | 0.43 ± 0.07 |
2 | 0.51 ± 0.12 | 0.41 ± 0.10 | 0.50 ± 0.08 | 0.53 ± 0.12 | 0.50 ± 0.11 | 0.50 ± 0.11 | 0.54 ± 0.09 | |
3 | 0.70 ± 0.37 | 0.50 ± 0.23 | 0.79 ± 0.21 | 0.75 ± 0.21 | 0.70 ± 0.23 | 0.68 ± 0.27 | 0.79 ± 0.20 | |
4 | 1.07 ± 0.12 | 0.87 ± 0.20 | 1.13 ± 0.24 | 1.10 ± 0.18 | 1.04 ± 0.17 | 1.03 ± 0.20 | 1.01 ± 0.15 | |
All | 0.65 ± 0.29 | 0.51 ± 0.27 | 0.68 ± 0.23 | 0.68 ± 0.30 | 0.64 ± 0.27 | 0.64 ± 0.28 | 0.68 ± 0.25 |