| 声像表现 | GM组 | PCM组 | P值 |
| BI-RADS分类 | — | ||
| 4A | 33 | 35 | 0.824 |
| 4B | 17 | 15 | |
| 超声形态 | — | ||
| 圆形 | 2 | 0 | 0.206 |
| 椭圆形 | 0 | 2 | |
| 分叶状 | 1 | 2 | |
| 不规则形态 | 47 | 45 | |
| 病灶边缘 | — | ||
| 边缘光整 | 46 | 42 | 0.222 |
| 边缘模糊 | 4 | 8 | |
| 边缘成角 | 37 | 36 | 0.824 |
| 边缘毛刺 | 2 | 5 | 0.842 |
| 边缘微小分叶 | 28 | 29 | 0.244 |