Table 3 The contrast enhanced mammogram morphology descriptors and contrast uptake features in the study
Descriptors | Luminal B, n = 93/257 | HER2-enriched, n = 55/89 | Total (n = 148/346) | ||
|---|---|---|---|---|---|
Count | N% | Count | N% | ||
Mass (n = 77, 52%) | |||||
Shape | |||||
Rounded/oval | 24 | 42.8 | 5 | 9.0 | 29 |
Irregular | 13 | 23.2 | 14 | 25.0 | 27 |
Margin | |||||
Circumscribed | 4 | 7.1 | 3 | 5.4 | 15 |
Indistinct | 12 | 21.4 | 16 | 28.6 | 37 |
Spiculated | 21 | 37.5 | – | – | 4 |
Internal enhancement | |||||
Homogenous | 28 | 50.0 | 3 | 5.4 | 31 |
Heterogeneous/rim | 9 | 16.0 | 16 | 28.6 | 25 |
Extend of enhancement | |||||
Partial enhancement | – | – | 1 | 1.8% | 1 |
Complete enhancement | 37 | 66.1 | 12 | 21.4% | 49 |
Enhancement beyond the lesion | – | – | 2 | 3.6% | 2 |
Enhancement of the surrounding tissue | – | – | 4 | 7.1% | 4 |
Non-mass (n = 71, 48%) | |||||
Distribution | |||||
Focal | 10 | 10.9 | 1 | 1.1 | 11 |
Linear | 3 | 3.3 | 18 | 19.56 | 21 |
Segmental | 43 | 46.7 | 3 | 3.3 | 46 |
Regional | – | – | 14 | 15.2 | 14 |
Enhancement | |||||
Yes | 44 | 100 | 48 | 100 | 92 |
No | – | – | – | – | – |