Total (n = 166) | Pathologically benign(n = 104) | Pathologically malignant or precursor (n = 62) | \(\chi^{2}\) | P | ||
---|---|---|---|---|---|---|
Structure distortion X-ray | Non | 102 | 71 | 31 | 6.074 | 0.048 |
Distortion | 32 | 15 | 17 | |||
Disorder | 32 | 18 | 14 | |||
Local thickening | Non | 143 | 97 | 46 | 11.842 | 0.001 |
Thickness | 23 | 7 | 16 | |||
Calcification | Non | 24 | 21 | 3 | 7.688 | 0.021 |
Scattered spotty | 83 | 47 | 36 | |||
Multiple spotty or cluster | 59 | 36 | 23 | |||
Internal echo | Homogeneous | 13 | 10 | 3 | Fisher | 0.375 |
Inhomogeneous | 153 | 94 | 59 | |||
Hyperechoic | Non | 63 | 47 | 16 | 8.708 | 0.013 |
Scattered spotty | 54 | 26 | 28 | |||
Multiple spotty or cluster | 49 | 31 | 18 | |||
Peripheral flow | Adler 0 | 97 | 79 | 18 | 50.092 | < 0.001 |
Adler 1 | 34 | 20 | 14 | |||
Adler 2 | 19 | 2 | 17 | |||
Adler 3 | 16 | 3 | 13 | |||
Internal flow | Adler 0 | 95 | 79 | 16 | 50.665 | < 0.001 |
Adler 1 | 35 | 19 | 16 | |||
Adler 2 | 19 | 3 | 16 | |||
Adler 3 | 17 | 3 | 14 | |||
Ductal change | Non | 120 | 76 | 44 | 12.825 | 0.002 |
Duct ectasia(anechoic inside) | 17 | 16 | 1 | |||
Duct ectasia(Low-echo inside) | 29 | 12 | 17 | |||
Peripheral change | Non | 137 | 97 | 40 | 24.162 | < 0.001 |
Structure distortion | 28 | 6 | 22 | |||
Coronal plane | Non | 65 | 61 | 4 | 56.489 | < 0.001 |
Obscure | 63 | 35 | 28 | |||
Distortion | 38 | 8 | 30 |