Research Article
[Retracted] Benefits of Contrast-Enhanced Ultrasonography to the Differential Diagnosis of TI-RADS 4-5 Thyroid Nodules
Table 2
Ultrasonographic characteristics of thyroid nodules (US) [
].
| US | | Benign () | Malignant () | | |
| Echogenicity | Hyperechoic | 5 (20.83) | 2 (6.06) | 10.773 | 0.013 | | Isoechoic | 12 (50.00) | 8 (24.24) | | | | Hypoechoic | 7 (29.17) | 18 (54.55) | | | | Markedly hypoechoic | 0 (0.00) | 5 (15.15) | | | Margin | Regular | 19 (79.17) | 4 (12.12) | 24.412 | <0.001 | | Lobulated or spiculated | 5 (20.83) | 27 (81.82) | | | Aspect ratio | | 2 (8.33) | 20 (60.61) | 16.020 | <0.001 | | | 22 (91.67) | 13 (39.39) | | | Calcification | None | 18 (75.00) | 3 (9.09) | 28.162 | <0.001 | | Micro | 2 (8.33) | 22 (66.67) | | | | Coarse | 3 (12.50) | 5 (15.15) | | | | Eggshell | 1 (4.17) | 3 (9.09) | | |
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