Table 3 Association between tumor grade and ultrasound findings of invasive breast cancers
Mass features | Tumor grade | |||||
|---|---|---|---|---|---|---|
Grade I + grade II | Grade III | p value | ||||
Count | % | Count | % | |||
Mass shape | Oval/round | 5 | 10.4 | 0 | 0.0 | 1.0 |
Irregular | 43 | 98.6 | 4 | 100.0 | ||
Total | 48 | 100.0 | 4 | 100.0 | ||
Mass margin | Non-circumscribed | 48 | 100 | 4 | 100.0 | – |
Total | 48 | 100.0 | 4 | 100.0 | ||
Mass orientation | Parallel | 8 | 16.7 | 1 | 25.0 | 0.544 |
Not parallel | 40 | 83.3 | 3 | 75.0 | ||
Total | 48 | 100.0 | 4 | 100.0 | ||
Mass posterior features | No/enhancement | 19 | 39.6 | 1 | 25.0 | 1.0 |
Shadowing/combined | 29 | 60.4 | 3 | 75.0 | ||
Total | 48 | 100.0 | 4 | 100.0 | ||
Mass echopattern | Hypoechoic | 42 | 87.5 | 4 | 100.0 | 1.0 |
Heterogenous | 6 | 12.5 | 0 | 0.0 | ||
Total | 48 | 100.0 | 4 | 100.0 | ||