• 1. Center of Thyroid Disease Diagnosis and Treatment, West China Hospital, Sichuan University, Chengdu 610041, Sichuan Province, China;
  • 2. PLA Nany General Hospital, Beijing 100048, China;
ZHUJing-qiang, Email: zjq-wkys@163.com
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Objective To identify the risk factors of central lymph nodal (CLN) metastasis in papillary thyroid carcinoma (PTC) and indicate central neck dissection. Methods Fifty cases were analyzed retrospectively. The BRAFV600E gene mutation was analyzed by sequencing and expression of VEGF-C was analyzed by using immunohistochemically. The clinicopathologic and molecular marker factors relating to CLN metastasis were analyzed. Results The BRAFV600E gene mutation was found in 30 of 50 (60.0%) patients of PTC. Univariate analysis showed that BRAFV600E gene mutation of PTC patients was significantly correlated with high expression of VEGF-C (87.5% vs. 34.6%,P=0.000), not with clinicopathologic factors. High expression of VEGF-C was significantly correlated with CLN metastasis in PTC (87.5% vs. 57.7%, P=0.019). Multivariate analysis showed that invasion of the surrounding tissues (P=0.009,OR=9.082,95% CI:1.748-47.185) and the high expression of VEGF-C (P=0.009,OR=9.082,95% CI:1.748-47.185) were independent risk factors for the presence of CLN metastases. Conclusions ①The BRAFV600E gene mutation for PTC patients is significantly correlated with high expression of VEGF-C, not with CLN metastasis in PTC. ②High expression of VEGF-C is significantly correlated with CLN metastasis in PTC. ③Tumor extrathyroidal extension, especially invasion of the surrounding tissues is significantly correlated with CLN metastasis in PTC.

Citation: ZHANGMing, ZHUJing-qiang, WEITao. Research on BRAF Gene, Expression of VEGF-C, and Clinicopathologic Factors for Central Lymph Node Metastasis in Papillary Thyroid Carcinoma. CHINESE JOURNAL OF BASES AND CLINICS IN GENERAL SURGERY, 2015, 22(7): 788-794. doi: 10.7507/1007-9424.20150206 Copy

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