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Article in Chinese | WPRIM | ID: wpr-514558


Objective To analyze thyroid papillary carcinoma (PTMC) neck lymph node metastasis (LNM) related factors,and further to explore the diagnostic value of ultrasonography in LNM.Methods A retrospective analysis of 384 cases of patients with PTMC confirmed by pathology and ultrasonic data were performed,according to the presence of cervical lymph node metastasis,they were divided into transfer group (116 cases) and nontransfer group (268 cases).Analysis was made to summarize the clinical and sonographic features of the two groups.Chi-square test and the multi-factor Logistic regression analysis were used to study the risk factors.Results ①The single factor analysis of sonographic features showed that the factors of gender (X 2 = 3.893,P = 0.048),age (P = 0.001),tumor diameter (P = 0.008), boundary(X 2 =6.327,P =0.012),acoustic halo (X2 = 15.562,P =0.001),and place (X 2 =9.441 ,P =0.024) were statistical different between the two groups;②Multiariable Logistic regression analysis showed that:patient age,tumor diameter,and acoustic halo were independent risk factors for PTMC neck lymph node metastasis,if Logistic model was used to predict the probability P =0.50 as a threshold,its accuracy was 74.2%,and the area under the ROC curve was 0.744.Conclusions Patients with age ≤ 45 years, tumor diameter ≥ 0.7 cm,located in the lower pole,boundary with uneven acoustic halo,were prone to LNM,and easy to Ⅵ area,suggest preventive cleaning lymph node in central region.