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Distribution of MRI-detected lesions by BI-RADS and histopathologic diagnosis
| MRI finding | BI-RADS 3 | BI-RADS 4–5 | Total | ||
|---|---|---|---|---|---|
|
|
|
||||
| Benign, n (%) | Malignant, n (%) | Benign, n (%) | Malignant, n (%) | ||
| Mass | 161 (72.2) | 1 (0.4) | 32 (14.4) | 29 (13) | 223 |
|
| |||||
| NME | 81 (62) | 0 (0) | 27 (21) | 23 (17) | 131 |
|
| |||||
| Focus | 56 (93.3) | 1 (1.7) | 2 (3.3) | 1 (1.7) | 60 |
|
| |||||
| Total | 298 (72) | 2 (0.5) | 61 (14.7) | 53 (12.8) | 414 |
MRI, magnetic resonance imaging; BI-RADS, breast imaging-reporting and data system; NME, nonmass enhancement.
