Table 1 Mammographic features of HER subtype (pure and luminal B) of breast cancer
Mammography features | Luminal B, n = 222/257 | HER2-enriched, n = 56/89 | |||
|---|---|---|---|---|---|
Count | N % | Count | N % | ||
Mass, n = 278 | |||||
Shape | Round/oval | 191 | 68.7 | 4 | 1.4 |
Irregular | 31 | 11.2 | 52 | 18.7 | |
Margin | Lobulated | 28 | 10.1 | 8 | 2.9 |
Speculated | 121 | 43.5 | 10 | 3.6 | |
Indistinct | 73 | 26.3 | 38 | 13.6 | |
Density | Equal | 54 | 19.4 | 6 | 2.2 |
High | 168 | 60.4 | 50 | 18 | |
Associate calcifications, n = 77 | |||||
Shape | Amorphous | 33 | 42.8 | 3 | 3.9 |
Coarse | 13 | 16.9 | 6 | 7.8 | |
Fine pleomorphic | 7 | 9.1 | 15 | 19.5 | |
Distribution | Segmental | 20 | 26 | 15 | 19.5 |
Linear | 5 | 6.5 | 2 | 2.6 | |
Regional | 2 | 2.6 | 3 | 3.9 | |
Diffuse | 18 | 23.3 | 12 | 15.6 | |
Asymmetries, n = 68 | |||||
Distortion, n = 28 | 27 | 96.4 | 1 | 3.6 | |
Distribution | Developing | 4 | 2.2 | 2 | 0.0 |
Focal | 23 | 32.6 | 7 | 8.2 | |
Global | 8 | 28.5 | 24 | 28.5 | |