Table 5.
Comparison of initial Breast Imaging Reporting and Data System category, and readjusted Breast Imaging Reporting and Data System category with pathology results
| Methods | BI-RADS category | Total, n (%) |
Pathology, n (%) |
|
| Benign | Malignant | |||
| US | 4a | 24 (47.06) | 20 (71.43) | 4 (19.61) |
| 4b | 10 (19.61) | 4 (14.29) | 6 (19.61) | |
| 4c | 17 (33.33) | 4 (14.29) | 13 (19.61) | |
| CEUS + BI-RADS | 3 | 19 (37.25) | 18 (78.26) | 1 (4.35) |
| 4a | 8 (15.691) | 7 (25.00) | 1 (4.35) | |
| 4b | 7 (13.73) | 1 (3.57) | 5 (21.74) | |
| 4c | 5 (9.80) | 1 (3.57) | 5 (21.74) | |
| 5 | 12 (23.53) | 1 (3.57) | 11 (47.83) | |
US: Ultrasonography; BI-RADS: Breast Imaging Reporting and Data System; CEUS: Contrast-enhanced ultrasound.