BI-RADS category (0–4) | Number of patient with breast incidental findings | Breast incidental finding (%) | MRI characteristic |
---|---|---|---|
BI-RADS 2 + 3+4 | 41 | 100 | |
BI-RADS 2 | 25 | 59.5 | |
22 | 88.0 | Rounded lesion hyperintense on T2-weighted or STIR sequences | |
3 | 12.0 | Rounded/oval circumscribed mass previously described or evaluated | |
BI-RADS 3 | 13 | 30.9 | |
8 | 61.5 | Rounded/oval circumscribed mass not previously described or evaluated | |
4 | 30.8 | Oval mass | |
1 | 7.7 | T2-weighted or STIR hyperintense irregular lesion | |
BI-RADS 4 | 3 | 7.1 | |
2 | 66.7 | Suspicious enhancing mass | |
1 | 33.3 | Architectural distortion |