Variables | Frequency | Percent |
---|---|---|
Nodule size (mm) | ||
3 | 14 | 4.9 |
4 | 27 | 9.4 |
5 | 22 | 7.7 |
6 | 37 | 12.9 |
7 | 21 | 7.3 |
8 | 31 | 10.8 |
9 | 94 | 32.8 |
10 | 41 | 14.3 |
Echogenic foci | ||
Negative | 210 | 73.2 |
Punctate echogenic foci | 42 | 14.6 |
Coarse echogenic foci | 18 | 6.3 |
Fine + coarse echogenic foci | 3 | 1.0 |
Peripheral echogenic foci | 14 | 4.9 |
Margin of nodule | ||
Regular | 224 | 78.0 |
Ill-defined | 56 | 19.5 |
Irregular | 7 | 2.4 |
Echogenicity | ||
Hyperechogenicity | 173 | 60.3 |
Isoechogenicity | 55 | 19.2 |
Hypoechogenicity | 59 | 20.6 |
Composition | ||
Solid-cyst | 33 | 88.5 |
Solid | 254 | 11.5 |
Shape | ||
Wider-than-tall | 273 | 95.1 |
Taller-than-wide | 14 | 4.9 |