Table 3 Changes of original US BI-RADS category after contrast-enhanced ultrasound
From: Contrast-enhanced ultrasound to predict malignant upgrading of atypical ductal hyperplasia
Original US BI-RADS | Reduce | No change | Increase | |||
|---|---|---|---|---|---|---|
Malignant | Nonmalignant | Malignant | Nonmalignant | Malignant | Nonmalignant | |
3 | 0 | 0 | 0 | 6 (100) | 0 | 2 (100) |
4A | 0 | 11 (100) | 1 (5.6) | 17 (94.4) | 10 (62.5) | 6 (37.5) |
4B | 1 (33.3) | 2 (66.7) | 2 (22.2) | 7 (77.8) | 24 (82.8) | 5 (17.2) |
4C | 0 | 0 | 1 (100) | 0 | 9 (90.0) | 1 (10.0) |
5 | 0 | 0 | 5 (100) | 0 | 0 | 0 |
Total | 1 (7.1) | 13 (92.9) | 9 (23.1) | 30 (76.9) | 43 (75.4) | 14 (24.6) |