Table 2.
Transvaginal ultrasound features suggestive of adenomyosis and their prevalence in women undergoing surgery for endometriosis versus controls.
| Endometriosis (N = 94) |
Control (N = 60) |
p | |
|---|---|---|---|
| Asymmetrical myometrial thickening (%) | 64 (68.1) | 38 (63.3) | 0.602 |
| Myometrial cysts (%) | 80 (85.1) | 47 (78.3) | 0.287 |
| Parallel shadowing (%) | 54 (57.5) | 22 (36.7) | 0.014∗ |
| Hyperechoic islands (%) | 76 (80.9) | 46 (76.7) | 0.547 |
| Linear striations (%) | 25 (26.6) | 27 (45.0) | 0.023∗ |
| Irregular EMJ (%) | 81 (86.2) | 26 (43.3) | <0.001∗ |
| Focal adenomyomas (%) | 36 (38.3) | 7 (11.7) | <0.001∗ |
| Number of features, mean ± SD | 4.4 ± 2.0 | 3.5 ± 2.3 | 0.009∗ |
| Any feature (%) | 84 (89.4) | 47 (78.3) | 0.068 |
| Number of features ≥ 3 (%) | 82 (87.2) | 41 (68.3) | 0.004∗ |
| Number of features ≥ 5 (%) | 54 (57.4) | 21 (35) | 0.007∗ |
EMJ: endometrial-myometrial junction; SD: standard deviation. ∗Statistically significant finding.