Clinical Study
Evaluation of Virtual Touch Tissue Imaging Quantification, a New Shear Wave Velocity Imaging Method, for Breast Lesion Assessment by Ultrasound
Table 2
Mean velocity values for each BI-RADS category in m/s for examiner 1. The values for examiner 2 are shown in parentheses.
| | | Total n = 104 | Malignant n = 54 | Benign n = 50 |
| | BI-RADS | | | | | 3 | 3.13 ± 1.47 (2.90 ± 1.15) | — | 3.13 ± 1.47 (2.90 ± 1.15) | | 4a | 4.89 ± 1.77 (4.01 ± 1.80) | 5.93 ± 2.58 (5.26 ± 2.94) | 4.78 ± 1.69 (3.88 ± 1.67) | | 4b | 7.33 ± 1.33 (7.25 ± 1.39) | 7.71 ± 0.93 (7.75 ± 0.73) | 6.47 ± 1.83 (6.13 ± 1.98) | | 4c | 7.61 ± 1.02 (7.37 ± 1.22) | 7.83 ± 0.79 (7.63 ± 0.60) | 5.81 ± 1.06 (5.24 ± 3.09) | | 5 | 7.87 ± 0.77 (7.50 ± 1.24) | 7.87 ± 0.77 (7.50 ± 1.24) | — |
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