• 1. Department of Thyroid Surgery, Zhejiang Cancer Hospital, Hangzhou 310022, P. R. China;
  • 2. Zhejiang Provincial Clinical Research Center for Malignant Tumor, Hangzhou 310014, P. R. China;
  • 3. Zhejiang Provincial Key Laboratory of Head and Neck Tumor Transformation Medicine, Hangzhou 310022, P. R. China;
  • 4. The Second Clinical Medical College, Zhejiang Chinese Medical University, Hangzhou 310053, P. R. China;
SHANG Jinbiao, Email: shangjb@zjcc.org.cn
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Objective To explore the risk factors for lateral lymph node metastasis (LLNM) in medullary thyroid carcinoma (MTC). Methods A retrospective analysis was conducted on 132 MTC patients who underwent initial treatment in Zhejiang Cancer Hospital from March 2015 to July 2023. Chi-square test, Mann-Whitney nonparametric test and logistic regression were used to analyze the risk factors associated with LLNM in MTC patients by SPSS 22.0 software. Results Out of 132 MTC patients, 46 developed LLNM. Multivariate analysis showed that male (female vs. male: OR=0.139, P=0.005), high preoperative calcitonin (Ctn) level (OR=1.001, P=0.042), capsule invasion (OR=15.164, P<0.001), and central lymph node metastasis (OR=4.573, P=0.016) were independent risk factors for LLNM in MTC patients (P<0.05). When the preoperative serum Ctn of MTC patients was greater than 482.50 pg/mL, it indicated a high possibility of LLNM [AUC=0.856, 95%CI (0.791, 0.921)]. Conclusions Gender (male), capsule invasion, high Ctn level, and central lymph node metastasis are independent predictors of LLNM in MTC. For MTC patients with the aforementioned high-risk factors, clinical physicians need to be vigilant about the possibility of LLNM.

Citation: GU Jialei, MAO Xiaochun, XIANG Yangfeng, SHANG Jinbiao, ZHU Yizhou. Analysis of risk factors for lateral lymph node metastasis in medullary thyroid carcinoma. CHINESE JOURNAL OF BASES AND CLINICS IN GENERAL SURGERY, 2024, 31(11): 1347-1351. doi: 10.7507/1007-9424.202404090 Copy

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