Table 1.
Sonographic features of all the nodules
| Features | N | Percentage (%) |
|---|---|---|
| Location | ||
| Left | 9 | 39.13 |
| Right | 14 | 60.87 |
| Isthmus | 0 | 0 |
| Composition | ||
| Cystic or almost completely cystic | 0 | 0 |
| Spongiform | 0 | 0 |
| Mixed cystic and solid | 3 | 13.04 |
| Solid or almost completely solid | 20 | 86.96 |
| Echogenicity | ||
| Anechoic | 0 | 0 |
| Hyperechoic or isoechoic | 3 | 13.04 |
| Hypoechoic | 12 | 52.17 |
| Very hypoechoic | 8 | 34.78 |
| Shape | ||
| Wider-than-tall | 4 | 17.39 |
| Taller-than-wide | 19 | 82.61 |
| Margin | ||
| Smooth | 3 | 13.04 |
| Ill-defined | 3 | 13.04 |
| Lobulated or irregular | 17 | 73.91 |
| Extra-thyroidal extension | 0 | 0 |
| Echogenic foci | ||
| None or large comet-tail artifacts | 4 | 17.39 |
| Macrocalcifications | 0 | 0 |
| Peripheral (rim) calcifications | 0 | 0 |
| Punctate echogenic foci | 19 | 82.61 |