Clinical Study
Evaluation of Virtual Touch Tissue Imaging Quantification, a New Shear Wave Velocity Imaging Method, for Breast Lesion Assessment by Ultrasound
Table 1
Absolute and relative frequencies of each BI-RADS category and corresponding mean VTIQ values in m/s.
| | | Total n = 104 | Benign n = 50 | Malignant n = 54 |
| | BI-RADS | | | | | 3 | 15 (14.4%) | 15 (30%) | 0 (0%) | | 4a | 32 (30.8%) | 29 (58%) | 3 (5.6%) | | 4b | 13 (12.5%) | 4 (8%) | 9 (16.7%) | | 4c | 18 (17.3%) | 2 (4%) | 16 (29.6%) | | 5 | 26 (25%) | 0 (0%) | 26 (48.1%) | | VTIQ Mean Examiner 1 | 6.16 ± 2.21 | 4.46 ± 1.87 | 7.73 ± 1.02 | | VTIQ Mean Examiner 2 | 5.71 ± 2.37 | 3.82 ± 1.79 | 7.46 ± 1.24 |
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