Table 2. Results of imaging features of AWE before HIFU procedure.
| Variables | N (%) | Mean ± SD |
|---|---|---|
| Diagnostic modality | ||
| Ultrasonography | 67 (100) | |
| MRI | 8 (11.94) | |
| Nodule location | ||
| To the left of the scar | 31 (37.81) | |
| At the middle of the scar | 19 (23.17) | |
| To the right of the scar | 32 (39.02) | |
| Texture of nodules | ||
| Homogeneous hypo-echo | 76 (92.68) | |
| Heterogeneous hypo-echo | 4 (4.88) | |
| Hyper-echo | 2 (2.44) | |
| Degree of activity | ||
| High | 9 (10.98) | |
| Low | 73 (89.02) | |
| Adhesions to the surrounding tissue | ||
| Subcutaneous fat layer and rectus | 63 (76.83) | |
| Subcutaneous fat layer | 15 (18.29) | |
| Fascial | 4 (4.89) | |
| Thickness of the rectus, mm* | 11.3±6.65 | |
| Thickness of the fat, mm | 23.3±6.65 | |
| Number of nodules | ||
| Single nodule | 54 (65.85) | |
| Two nodules | 7 (8.54) | |
| Three nodules | 6 (7.32) |
*, P<0.01, Student’s t-tests. AWE, abdominal wall endometriosis; HIFU, high-intensity focused ultrasound; SD, standard deviation; MRI, magnetic resonance imaging.