Table 1. Patient characteristics and UE-SWE diagnosis.
| Clinicopathological parameters | Group 1, Emean <50 kPa (n=3) | Group 2, 50 kPa ≤ Emean <150 kPa (n=3) | Group 3, Emean ≥150 kPa (n=4) | Total (n=10) |
|---|---|---|---|---|
| Age (years) | ||||
| Mean | 49.00 | 52.00 | 50.00 | 51.70 |
| Median | 46.50 | 44.00 | 48.40 | 46.00 |
| Range | 40–54 | 42–65 | 41–56 | 40–65 |
| Size (mm) | ||||
| Mean | 21.30 | 21.20 | 23.00 | 22.05 |
| Median | 21.20 | 20.40 | 23.10 | 21.45 |
| Range | 19.50–23.30 | 17.60–25.50 | 15.70–30.10 | 15.70–30.10 |
| Aspect ratio, n (%) | ||||
| <1 | 3 (100.00) | 2 (66.67) | 2 (50.00) | 7 (70.00) |
| >1 | 0 (0.00) | 1 (33.33) | 2 (50.00) | 3 (30.00) |
| Margins, n (%) | ||||
| Well-defined | 3 (100.00) | 1 (33.33) | 0 (0.00) | 4 (40.00) |
| Ill-defined | 0 (0.00) | 2 (66.67) | 4 (100.00) | 6 (60.00) |
| BI-RADS, n (%) | ||||
| <4 | 3 (100.00) | 0 (0.00) | 0 (0.00) | 3 (30.00) |
| 4 | 0 (0.00) | 1 (33.33) | 1 (25.00) | 2 (20.00) |
| >4 | 0 (0.00) | 2 (66.67) | 3 (75.00) | 5 (50.00) |
| Pathologic results, n (%) | ||||
| Benign (breast FAs) | 3 (100.00) | 0 (0.00) | 0 (0.00) | 3 (30.00) |
| Malignant (breast invasive carcinoma) | 0 (0.00) | 3 (100.00) | 4 (100.00) | 7 (70.00) |
| Histological grade, n (%) | ||||
| I | 0 (0.00) | 1 (25.00) | ||
| II | 2 (66.67) | 1 (25.00) | ||
| III | 1 (33.33) | 2 (50.00) | ||
| ER positive, n (%) | 3 (100.00) | 4 (100.00) | ||
| PR positive, n (%) | 3 (100.00) | 4 (100.00) | ||
| HER2 positive, n (%) | 1 (33.33) | 2 (50.00) |
UE-SWE, ultrasound elastography shear wave elastography; BI-RADS, breast imaging-reporting and data system; FA, fibroadenoma; ER, estrogen receptor; PR, progesterone receptor; HER2, human epidermal growth factor receptor 2.