Table 4.
Univariate analysis of correlation between ultrasonography findings of the primary tumor and rate of lateral cervical lymph node metastasis in micropapillary thyroid cancer
| Ultrasonography findings | n(rate of lateral cervical lymph node metastasis, %) | Pvalue | |
|---|---|---|---|
| Nature | Solid | 14 (6.39) | 0.794 |
| Mixed | 0 (0) | ||
| Shape | Round to ovoid | 3 (3.61) | 0.088 |
| Irregular | 4 (4.94) | ||
| Taller than wide | 7 (12.5) | ||
| Echogenicity | Isoechoic | 0 (0) | 0.049 |
| Hypoechoic | 2 (2.5) | ||
| Markedly hypoechoic | 12 (10) | ||
| Margin | Well defined | 1 (1.69) | 0.071 |
| Poorly defined | 13 (8.07) | ||
| Calcification | Absent | 8 (4.9) | 0.027 |
| Microcalcification | 1 (3.4) | ||
| Other types | 5 (6.4) | ||