Ultrasound findings | Benign (N = 100) | % | Malignant (N = 35) | % |
Hypoechoic | 15 | 15% | 33 | 94% |
Lymphadenopathy | 2 | 2% | 24 | 69% |
Calcification | 10 | 10% | 28 | 80% |
Solid | 10 | 10% | 30 | 86% |
Cystic | 10 | 10% | 1 | 3% |
Mixed | 79 | 79% | 5 | 11% |
<1 | 1 | 1% | 4 | 11% |
1.0 - 2.0 | 22 | 22% | 7 | 20% |
2.1 - 4.0 | 50 | 50% | 17 | 49% |
>4.0 | 27 | 27% | 7 | 20% |