Table 2 The contrast-enhanced mammogram morphology descriptors and contrast uptake features in the study
Descriptors | Malignant (n = 1165) | Benign (n = 359) | Total (n = 1524) |
|---|---|---|---|
Mass (n = 777, 51%) | |||
Shape | |||
Rounded/oval | 223 | 162 | 385 |
Irregular | 353 | 39 | 392 |
Margin | |||
Circumscribed | 172 | 194 | 366 |
Indistinct/spiculated | 404 | 7 | 411 |
Internal enhancement | |||
Homogeneous | 289 | 187 | 476 |
Heterogeneous/rim | 287 | 14 | 301 |
Extend of enhancement | |||
Partial enhancement | 57 | 34 | 91 |
Complete enhancement | 406 | 159 | 565 |
Enhancement beyond the lesion | 66 | – | 66 |
Enhancement of the surrounding tissue | 47 | 8 | 55 |
Asymmetry/distortion (non-mass) (n = 430, 28%) | |||
Distribution | |||
Focal | 48 | 12 | 60 |
Segmental | 203 | 73 | 276 |
Regional | 83 | 11 | 94 |
Enhancement | |||
Yes | 297 | 67 | 364 |
No | 37 | 29 | 66 |
Calcifications (n = 317, 21%) | |||
Shape | |||
Amorphous | 41 | 41 | 82 |
Coarse heterogenous | 124 | 21 | 145 |
Clustered pleomorphic | 90 | – | 90 |
Enhancement | |||
Yes | 157 | 4 | 161 |
No | 98 | 58 | 156 |