The role of preoperative serum thyroglobulin in the diagnosis and treatment of differentiated thyroid cancer: a systematic review and meta-analysis.

IF 3.5 3区 医学 Q2 ONCOLOGY Frontiers in Oncology Pub Date : 2024-12-24 eCollection Date: 2024-01-01 DOI:10.3389/fonc.2024.1426785
Ying Lu, Hao Zhao, ChunHao Liu, ZiFeng Kuang, XiaoYi Li
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Abstract

Background: Serum thyroglobulin (Tg) is a critical marker for monitoring tumor recurrence and metastasis in patients who have undergone total thyroidectomy for differentiated thyroid cancer (DTC). While the definitive role of preoperative serum Tg in DTC is not yet established, studies suggest its importance in differentiating between benign and malignant thyroid nodules with indeterminate cytology, as well as in predicting distant metastasis (DM) in patients with DTC.

Methods: A thorough literature review was conducted on the use of preoperative serum Tg in differentiating between benign and malignant thyroid nodules, and in evaluating the extent of DTC lesions. Relevant studies were systematically searched in PubMed, Embase, Cochrane, Scopus, and ClinicalTrials databases. A meta-analysis was performed on studies where the ratios between serum Tg diagnostic thresholds and the upper limit of the reference range were similar.

Results: Recent studies showed significantly elevated preoperative serum Tg levels in patients with DTC compared with normal individuals. However, there are inconsistencies in the serum Tg levels between patients with preoperative DTC and benign thyroid nodules across different studies. In patients with thyroid nodules who had indeterminate cytology (negative Tg antibody), the preoperative serum Tg levels were significantly higher in malignant nodules than in benign ones (meta-analysis: odds ratio: 2.59, 95% confidence intervals: 1.59-4.21, P = 0.0001). Although the meta-analysis indicated that high preoperative serum Tg is a risk factor for central lymph node metastasis in patients with DTC (meta-analysis: odds ratio: 1.68, 95% confidence interval: 1.32-2.14, P < 0.0001), some studies suggest that high preoperative serum Tg in patients with DTC does not necessarily lead to central lymph node metastasis. Furthermore, preoperative serum Tg might possess a suggestive value regarding the likelihood of DTC patients developing DM.

Conclusion: Preoperative serum Tg shows promise in differentiating between benign and malignant nodules in thyroid nodule patients with indeterminate cytology. However, further research is necessary to determine its predictive significance for lymph node metastasis and DM in patients with DTC.

Systematic review registration: https://www.crd.york.ac.uk/PROSPERO/#searchadvanced, identifier CRD42024472074.

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来源期刊
Frontiers in Oncology
Frontiers in Oncology Biochemistry, Genetics and Molecular Biology-Cancer Research
CiteScore
6.20
自引率
10.60%
发文量
6641
审稿时长
14 weeks
期刊介绍: Cancer Imaging and Diagnosis is dedicated to the publication of results from clinical and research studies applied to cancer diagnosis and treatment. The section aims to publish studies from the entire field of cancer imaging: results from routine use of clinical imaging in both radiology and nuclear medicine, results from clinical trials, experimental molecular imaging in humans and small animals, research on new contrast agents in CT, MRI, ultrasound, publication of new technical applications and processing algorithms to improve the standardization of quantitative imaging and image guided interventions for the diagnosis and treatment of cancer.
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