Oncotarget

Research Papers:

An overall and dose-response meta-analysis for thyrotropin and thyroid cancer risk by histological type

Na Hu, Zhan-Ming Li, Jin-Feng Liu, Zhen-Zhen Zhang and Li-Shun Wang _

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Oncotarget. 2016; 7:47750-47759. https://doi.org/10.18632/oncotarget.10282

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Abstract

Na Hu1,2,*, Zhan-Ming Li3,*, Jin-Feng Liu1,2, Zhen-Zhen Zhang1,2, Li-Shun Wang1

1Institute of Biomedical Sciences, Minhang Hospital, Fudan University, Shanghai, P.R. China

2School of Public Health Taishan Medical University, Shandong, P.R. China

3Ruijin Hospital, Shanghai Jiao-Tong University School of Medicine, Shanghai, P.R. China

*These authors contributed equally to this work

Correspondence to:

Li-Shun Wang, email: [email protected]

Keywords: thyroid cancer, serum thyrotropin, meta-analysis, differentiated thyroid carcinoma, papillary thyroid carcinoma

Received: December 16, 2015     Accepted: June 12, 2016     Published: June 24, 2016

ABSTRACT

Thyrotropin (TSH) is thought as a risk factor for thyroid cancer. However, the effect of serum TSH might depend on histological types of thyroid cancer. We searched for related studies including serum TSH as an exposure and thyroid cancer as a result in PUBMED, EMBASE and Chinese National Knowledge Infrastructure up to April 21, 2016. This meta-analysis included 22 articles with 53,538 participants. When comparing all histological thyroid cancer, the pooled odds ratios of thyroid cancer in patients with nodules was found to increase significantly with higher serum TSH concentrations for differentiated thyroid carcinoma (1.88 vs .1.48, P = 0.0000) and papillary thyroid carcinoma (2.08 vs. 1.48, P = 0.0006). Each 1 mU/L increase of serum TSH was associated with 14% greater risk of thyroid cancer for all histological thyroid cancer, 16% for differentiated thyroid carcinoma and 22% for papillary thyroid carcinoma. In addition, high serum TSH was associated with a reduced risk for follicular thyroid carcinoma (OR = 0.73, 95% CI: 0.52, 1.02). This meta-analysis suggested high serum TSH concentration is risky for papillary thyroid carcinoma but not for follicular thyroid carcinoma.


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