Table 2 Association between tumor type and ultrasound findings of the breast cancers
Tumor type | ||||||
|---|---|---|---|---|---|---|
Invasive cancer | DCIS | p value | ||||
Count | % | Count | % | |||
Mass features | ||||||
Mass shape | Oval/round | 5 | 9.6 | 5 | 71.4 | < 0.001 |
Irregular | 47 | 90.4 | 2 | 28.6 | ||
Total | 52 | 100.0 | 7 | 100.0 | ||
Mass margin | Circumscribed | 0 | 0 | 4 | 57.1 | < 0.001 |
Non-circumscribed | 52 | 100 | 3 | 42.9 | ||
Total | 52 | 100.0 | 7 | 100 | ||
Mass orientation | Parallel | 9 | 17.3 | 2 | 18.6 | 0.604 |
Not parallel | 43 | 82.7 | 5 | 81.4 | ||
Total | 52 | 100.0 | 7 | 100.0 | ||
Mass posterior features | No/enhancement | 20 | 38.5 | 4 | 57.1 | 0.427 |
Shadowing/ combined | 32 | 61.5 | 3 | 42.9 | ||
Total | 52 | 100.0 | 7 | 100.0 | ||
Mass echopattern | Hypoechoic | 46 | 88.5 | 7 | 100 | 1.000 |
Heterogeneous | 6 | 11.5 | 0 | 0.0 | ||
Total | 52 | 100.0 | 7 | 100.0 | ||
Non-mass features (architectural distortion) | 0 | 0.0 | 6 | 100 | 0.004 | |