Abstract
Objective
To explore the relationship between triglyceride (TG) levels and aggressive pathological characteristics in papillary thyroid microcarcinoma (PTMC) patients, especially the relationship between TG, BMI, age, and extrathyroidal extension (ETE).
Methods
A retrospective analysis of 9663 patients with PTMC in a single center from 2010 to 2017 was included in this study. Binary logistic regression was used to analyze the relationship between serum TG and aggressive pathological characteristics of PTMC in different genders. Further analyzing the risk of high TG in different ages and BMI groups.
Results
Even after adjustment for confounding factors, high TG is still a risk factor for ETE in women with PTMC, but not a risk factor for men. Compared with the group with lower than 0.90 mmol/L, when the TG level is higher than 1.93 mmol/L, the risk of ETE in women increased by about 1.35-fold. The remaining two variables (BMI, age) as risk factors for ETE are analyzed. In the normal BMI group, high TG is still a risk factor for ETE. The risk of ETE in women more than 55 years old is significantly increased by 1.96-fold (1.34-fold in less than 55 years).
Conclusion
High TG in women is positively correlated with the risk of ETE in PTMC. PTMC with high TG in elderly women (more than 55 years) has a higher risk of ETE. TG is a potential serological index for predicting the risk of ETE in women with normal BMI.
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Data availability
The data that support the findings of this study are available on request from the corresponding author. The data are not publicly available due to privacy or ethical restrictions.
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Acknowledgements
Thanks to Rui Du, MS, and Chengqiu Sui, MS, for valuable suggestions in academic discussions.
Funding
This study was supported by the grant from Liaoning Provincial Science and Technology Development Program (Grant # 2017225008).
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Conception and design: G.D., H.S., H.G.; administrative support: H.S.; collection and assembly of data: Q.H., Y.Z.; data analysis and interpretation: C.L.; manuscript writing: C.L. Final approval of manuscript: all authors.
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The Institutional Review Board of China–Japan Union Hospital of Jilin University, Changchun, China, approved the protocol (Grant # 2019040806).
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Li, C., Guan, H., He, Q. et al. The relationship between lipotoxicity and risk of extrathyroidal extension in papillary thyroid microcarcinoma. Endocrine 74, 646–657 (2021). https://doi.org/10.1007/s12020-021-02809-8
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DOI: https://doi.org/10.1007/s12020-021-02809-8