Table 5 Relation between the molecular markers and the MRI features of mass lesions (n = 80)
Molecular markers | Test of Sig | p | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Luminal A (n = 37) | Luminal B HER2-negative (n = 19) | Luminal B HER2-positive (n = 12) | HER2-amplified (n = 4) | Triple-negative (n = 8) | ||||||||
No | % | No | % | No | % | No | % | No | % | |||
Mass | (n = 35) | (n = 17) | (n = 8) | (n = 3) | ||||||||
Size (cm) | ||||||||||||
< 2 | 14 | 40.0 | 0 | 0.0 | 1 | 12.5 | 0 | 0.0 | 0 | 0.0 | χ2 = 14.044* | MCp = 0.003* |
≥ 2 | 21 | 60.0 | 17 | 100.0 | 7 | 87.5 | 3 | 100.0 | 8 | 100.0 | ||
Shape | ||||||||||||
Regular | 1 | 2.9 | 1 | 5.9 | 1 | 12.5 | 2 | 66.7 | 2 | 25.0 | χ2 = 11.166* | MCp = 0.009* |
Irregular | 34 | 97.1 | 16 | 94.1 | 7 | 87.5 | 1 | 33.3 | 6 | 75.0 | ||
Margin | ||||||||||||
Circumscribed | 1 | 2.9 | 1 | 5.9 | 0 | 0.0 | 1 | 33.3 | 2 | 25.0 | χ2 = 7.295 | MCp = 0.072 |
Not Circumscribed | 34 | 97.1 | 16 | 94.1 | 8 | 100.0 | 2 | 66.7 | 6 | 75.0 | ||
Patterns | ||||||||||||
Homogenous | 7 | 20.0 | 1 | 5.9 | 2 | 25.0 | 0 | 0.0 | 0 | 0.0 | χ2 = 23.638* | MCp < 0.001* |
Heterogeneous | 27 | 77.1 | 15 | 88.2 | 5 | 62.5 | 0 | 0.0 | 4 | 50.0 | ||
Rim enhancement | 1 | 2.9 | 1 | 5.9 | 1 | 12.5 | 3 | 100.0 | 4 | 50.0 | ||