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Chinese Journal of Operative Procedures of General Surgery(Electronic Edition) ›› 2023, Vol. 17 ›› Issue (06): 701-704. doi: 10.3877/cma.j.issn.1674-3946.2023.06.030

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Application of eluent thyroglobulin in metastatic lymph nodes of thyroid papillary carcinoma

Cheng Xu, Lulu Wang, Shaohua Wang()   

  1. Department of General Surgery, Women’s Hospital of Nanjing Medical University, Nanjing Maternity Hospital and Child Health Care Hospital, Nanjing 210004, China
  • Received:2023-07-29 Online:2023-12-26 Published:2023-11-06
  • Contact: Shaohua Wang
  • About author:

    Xu Cheng and Wang Lulu are co-first authors

Abstract:

In the diagnosis of cervical lymph node (CLN) metastasis of papillary thyroid carcinoma (PTC), fine needle aspiration eluent thyroglobulin (FNA-Tg) has received extensive attention. For small or cystic cervical lymph nodes, FNA-Tg is more valuable than ultrasound (US) and fine needle aspiration cytology (FNAC) in the diagnosis of cervical metastatic lymph nodes. In addition, the sensitivity and specificity of FNA-Tg combined with FNAC in the diagnosis of cervical lymph node metastasis were close to 100%. However, due to sample differences, various detection methods and kits in studies, the diagnostic threshold of FNA-Tg in metastatic cervical lymph nodes has not been standardized, and most of the reported diagnostic thresholds range from 0.2 to 77 ng/ml. The accuracy of FNA-Tg detection was mainly affected by the level of serum anti-thyroglobulin antibody, serum thyroglobulin level, whether the thyroid was resected or not, and the characteristics of cervical lymph nodes. This article reviews the application and research of FNA-Tg in the diagnosis of cervical lymph node metastasis of PTC in recent years, which provides a reliable basis for the diagnosis of cervical lymph node metastasis of PTC.

Key words: Thyroid Neoplasms, Carcinoma, Papillary, Fine Needle Aspiration-Thyroglobulin, Lymph Node Metastasis

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