Epidemiologic Association between Obesity and Thyroid Nodules

Hwa Young Ahn

doi:10.11106/ijt.2017.10.1.1

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Ahn: Epidemiologic Association between Obesity and Thyroid Nodules

Review Article

Int J Thyroidol 2017;10(1):1-4.

Published online: 5 May 2017

DOI: https://doi.org/10.11106/ijt.2017.10.1.1

Epidemiologic Association between Obesity and Thyroid Nodules

Hwa Young Ahn

Department of Internal Medicine, Chung-Ang University College of Medicine, Seoul, Korea

Correspondence: Hwa Young Ahn, MD, Department of Internal Medicine, Chung-Ang University College of Medicine, Heukseok-ro 102, Dongjak-gu, Seoul 06973, Korea Tel: 82-2-6299-3152, Fax: 82-2-6299-2017, E-mail: ahy0809@naver.com

Received 11 October 201627 April 2017 Accepted 27 April 2017

This is an open-access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creative-commons.org/licenses/by-nc/4.0/), which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

초록

Recently, the incidence of thyroid nodule has been rising due to the usage of ultrasonography in health checkup. Also, modern society is faced with increasing rates of obesity by sedentary life style and high caloric intake. Obesity is closely related to metabolic syndrome and insulin resistance. Insulin resistance leads to hyperinsulinemia, increased insulin-like growth factor 1 and alteration of adipocytokine level. These factors not only have a role in metabolic regulation, but they also have mitogenic effect in cell proliferation. Epidemiologic and clinical evidence about the association between obesity and thyroid nodule are reviewed in this section.

Keywords: Thyroid nodules, Obesity, Insulin resistance, Metabolic syndrome X

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