Table 2.
Comparison of CEUS and DCE-MRI Features Among Benign and Malignant Non-Mass-Like Enhanced Breast Lesions
| Variables | Benign n (%) | Malignant n (%) | P |
|---|---|---|---|
| CEUS | <0.001 | ||
| Shape | |||
| Regular | 10 (52.6) | 9 (47.4) | |
| Irregular | 8 (25.8) | 23 (74.2) | |
| Margin | <0.001 | ||
| Distinct | 13 (72.2) | 5 (27.8) | |
| Indistinct | 5 (15.6) | 27 (84.4) | |
| Orientation | <0.001 | ||
| Parallel (height to width ratio <1) | 15 (44.1) | 19 (55.9) | |
| Not parallel (height to width ratio ≥1) | 3 (11.5) | 23 (88.5) | |
| Posterior echoes | 0.007 | ||
| None | 11 (47.8) | 12 (52.2) | |
| Shadowing (decreased posterior echoes) | 7 (25.9) | 20 (74.1) | |
| Enhance pattern | <0.001 | ||
| Homogeneous | 9 (25.7) | 26 (74.3) | |
| Heterogeneous | 9 (50.0) | 9 (50.0) | |
| Enhancement degree | 0.027 | ||
| Hyperenhancement | 11 (34.4) | 21 (65.6) | |
| Hypoenhancement | 7 (38.9) | 11 (61.1) | |
| Radial or penetrating vessels | <0.001 | ||
| Present | 2 (8.0) | 23 (92.0) | |
| Absent | 16 (64.0) | 9 (36.0) | |
| Expanded scope | <0.001 | ||
| Yes | 1 (4.3) | 22 (95.7) | |
| No | 17 (63.0) | 10 (37.0) | |
| DCE-MRI | 0.001 | ||
| Enhance pattern | |||
| Homogeneous | 15 (53.6) | 13 (46.4) | |
| Heterogeneous | 3 (12.5) | 21 (87.5) | |
| TIC curve | <0.001 | ||
| Increasing type | 11 (73.3) | 4 (26.7) | |
| Plateau type | 5 (41.7) | 7 (58.3) | |
| Wash-out type | 2 (8.0) | 23 (92.0) | |
| ADC value (10−3mm2/s) | 1.3±0.24 | 0.9±0.17 | 0.001 |