[Table/Fig-2]:
Comparison of B mode ultrasonographic findings of benign and malignant nodules.
| Nodule features | Benign (151) | Malignant (43) | p-value |
|---|---|---|---|
| Solitary nodule | 90(46.39%) | 104(53.61%) | 0.0766 |
| Mean diameter | 25.7±6.5 | 33.6±4.8 | 0.0455 |
| Solid nodule | 93(67%) | 31(33%) | 0.172 |
| Hypoechogenicity | 31(45.58%) | 37(54.42%) | 0.0001 |
| Incomplete halo | 6(31.68%) | 13(68.42%) | 0.001 |
| Irregular borders | 26(49.06%) | 27(50.94%) | 0.012 |
| Taller than wide | 61(61%) | 39(39%) | 0.003 |
| Microcalcifications | 0 | 12(100%) | <0.05 |
| Lymphadenopathy with loss of fatty hilum | 0 | 17(100%) | <0.05 |
| Local invasion | 0 | 1(100%) | <0.05 |