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 | % | |||
MRI lesion type | ||||||||||||
Mass | 34 | 91.9 | 14 | 73.7 | 6 | 50.0 | 2 | 50.0 | 7 | 87.5 | χ2 = 14.826* | MCp = 0.021* |
Non-mass | 2 | 5.4 | 2 | 10.5 | 4 | 33.3 | 1 | 25.0 | 0 | 0.0 | ||
Mass + Non-mass | 1 | 2.7 | 3 | 15.8 | 2 | 16.7 | 1 | 25.0 | 1 | 12.5 | ||
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 | ||
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 | ||
ADC value | ||||||||||||
Min.–Max | 0.88–1.10 | 0.88–0.98 | 0.88–1.04 | 0.98–1.02 | 0.96–1.03 | F = 10.242* | < 0.001* | |||||
Mean ± SD | 0.98 ± 0.04 | 0.92 ± 0.03 | 0.94 ± 0.04 | 1.0 ± 0 .02 | 0.99 ± 0.02 | |||||||
Median | 0.98 | 0.92 | 0.94 | 1.0 | 0.99 | |||||||
Associated features | ||||||||||||
Perilesional edema | 5 | 33.3 | 9 | 60.0 | 9 | 100.0 | 3 | 75.0 | 2 | 40.0 | χ2 = 12.037* | MCp = 0.009* |