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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

From: Ultrasonographic findings relating to lymph node metastasis in single micropapillary thyroid cancer

Ultrasonography findings n(rate of lateral cervical lymph node metastasis, %) P value
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)