Study on Correlation Between Ultrasound Image Parameters and Lymph Node Metastasis in Patients with Thyroid Papillary Carcinoma
Objective:To study the correlation between ultrasound image parameters and lymph node metastasis in patients with thyroid papillary carcinoma.Methods:96 patients with papillary thyroid carcinoma admitted to the hospital from June 2019 to June 2022 were selected as the study objects.According to the postoperative pathological examination results,they were divided into the cervical lymph node metastasis group(n=31)and the premetastatic group(n=65).After all patients were enrolled,the differences in ultrasonic imaging features between the cervical lymph node metastasis group and the premetastatic group were compared.And the correlation between ultrasonic image parameters and lymph node metastasis in patients with thyroid papillary carcinoma was studied.Results:There were statistically significant differences in the comparison of aspect ratio,nodule number,margin,calcification,relationship with capsule and blood flow signal between the two groups(x2=5.112,14.971,4.873,32.612,16.361,48.061;P＜0.05).Logistics regression analysis showed that aspect ratio(＜2),number of nodules(multiple),margin(irregular),calcification(micro),relationship with capsule(discontinuous),and blood flow(type Ⅲ)were all risk factors for cervical lymph node metastasis,and the difference was statistically significant(OR=1.019,1.632,1.089,1.020,1.320,1.002;P＜0.05).Spearman correlation analysis showed that the incidence of cervical lymph node metastasis in patients was positively correlated with aspect ratio(＜2),number of nodules(multiple),margin(irregular),calcification(micro),relationship with capsule(discontinuous),and blood flow(type Ⅲ)with statistically significant difference(r=0.651,0.402,0.744,0.506,0.683,0.443;P＜0.05).Conclusion:Ultrasonographic parameters were significantly correlated with lymph node metastasis in patients with thyroid papillary carcinoma,which could be used as the important reference for preoperative diagnosis in the future.
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