Trends in Childhood Thyroid Cancer incidence in Korea and Its Potential Risk Factors

BackgroundAlthough the incidence of thyroid cancer had been increasing until a few years ago, a decrease has been observed in the last years, probably due to the reduction of the screening tests in Korea. Childhood thyroid cancer has been increasing in the past with the same trend as in adults, but...

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Main Authors: Jun Park, Hyunju Park, Tae Hyuk Kim, Sun Wook Kim, Hye Won Jang, Jae Hoon Chung
Format: Article
Language:English
Published: Frontiers Media S.A. 2021-05-01
Series:Frontiers in Endocrinology
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fendo.2021.681148/full
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author Jun Park
Jun Park
Hyunju Park
Tae Hyuk Kim
Sun Wook Kim
Hye Won Jang
Jae Hoon Chung
author_facet Jun Park
Jun Park
Hyunju Park
Tae Hyuk Kim
Sun Wook Kim
Hye Won Jang
Jae Hoon Chung
author_sort Jun Park
collection DOAJ
description BackgroundAlthough the incidence of thyroid cancer had been increasing until a few years ago, a decrease has been observed in the last years, probably due to the reduction of the screening tests in Korea. Childhood thyroid cancer has been increasing in the past with the same trend as in adults, but there have been few reports on recent trends. We analyzed the trends of thyroid cancer in Korean children and related factors.MethodsFrom national statistics and cancer register database, the data of age-specific incidence rate in Korean childhood thyroid cancer from 1999 to 2017 was obtained, and levels of seaweed intake, the number of computed tomography (CT) and neck ultrasonography (US), obesity prevalence rate, and smoking and alcohol consumption rates in children were analyzed.ResultsThe age-specific incidence of thyroid cancer in Korean children has increased in both genders between 1999 and 2017 (2.0 in 1999 vs. 7.2 in 2017, per population of 100,000), especially in the age group of 14-18 years (1.5 in 1999 vs. 5.5 in 2017, per population of 100,000). During the same period, levels of seaweed intake, number of CT scans and neck US, and prevalence of obesity in children increased significantly, while childhood smoking and alcohol consumption rates decreased.ConclusionUnlike the adult thyroid cancer in Korea, childhood thyroid cancer continues to increase, and the cause might be accompanied by actual increases due to the environmental factors such as excessive iodine intake, exposure to medical radiation, and increased obesity prevalence as well as the screening effect.
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spelling doaj.art-89366a2a17924f6f9ddbe1b17e6f02052022-12-21T22:12:16ZengFrontiers Media S.A.Frontiers in Endocrinology1664-23922021-05-011210.3389/fendo.2021.681148681148Trends in Childhood Thyroid Cancer incidence in Korea and Its Potential Risk FactorsJun Park0Jun Park1Hyunju Park2Tae Hyuk Kim3Sun Wook Kim4Hye Won Jang5Jae Hoon Chung6Division of Endocrinology and Metabolism, Department of Medicine, Thyroid Center, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South KoreaDivision of Endocrinology, Department of Medicine, Sahmyook Medical Center, Seoul, South KoreaDivision of Endocrinology and Metabolism, Department of Medicine, Thyroid Center, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South KoreaDivision of Endocrinology and Metabolism, Department of Medicine, Thyroid Center, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South KoreaDivision of Endocrinology and Metabolism, Department of Medicine, Thyroid Center, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South KoreaDepartment of Medical Education, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South KoreaDivision of Endocrinology and Metabolism, Department of Medicine, Thyroid Center, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South KoreaBackgroundAlthough the incidence of thyroid cancer had been increasing until a few years ago, a decrease has been observed in the last years, probably due to the reduction of the screening tests in Korea. Childhood thyroid cancer has been increasing in the past with the same trend as in adults, but there have been few reports on recent trends. We analyzed the trends of thyroid cancer in Korean children and related factors.MethodsFrom national statistics and cancer register database, the data of age-specific incidence rate in Korean childhood thyroid cancer from 1999 to 2017 was obtained, and levels of seaweed intake, the number of computed tomography (CT) and neck ultrasonography (US), obesity prevalence rate, and smoking and alcohol consumption rates in children were analyzed.ResultsThe age-specific incidence of thyroid cancer in Korean children has increased in both genders between 1999 and 2017 (2.0 in 1999 vs. 7.2 in 2017, per population of 100,000), especially in the age group of 14-18 years (1.5 in 1999 vs. 5.5 in 2017, per population of 100,000). During the same period, levels of seaweed intake, number of CT scans and neck US, and prevalence of obesity in children increased significantly, while childhood smoking and alcohol consumption rates decreased.ConclusionUnlike the adult thyroid cancer in Korea, childhood thyroid cancer continues to increase, and the cause might be accompanied by actual increases due to the environmental factors such as excessive iodine intake, exposure to medical radiation, and increased obesity prevalence as well as the screening effect.https://www.frontiersin.org/articles/10.3389/fendo.2021.681148/fullchildhoodthyroidcancerincidenceincreaseKorea
spellingShingle Jun Park
Jun Park
Hyunju Park
Tae Hyuk Kim
Sun Wook Kim
Hye Won Jang
Jae Hoon Chung
Trends in Childhood Thyroid Cancer incidence in Korea and Its Potential Risk Factors
Frontiers in Endocrinology
childhood
thyroid
cancer
incidence
increase
Korea
title Trends in Childhood Thyroid Cancer incidence in Korea and Its Potential Risk Factors
title_full Trends in Childhood Thyroid Cancer incidence in Korea and Its Potential Risk Factors
title_fullStr Trends in Childhood Thyroid Cancer incidence in Korea and Its Potential Risk Factors
title_full_unstemmed Trends in Childhood Thyroid Cancer incidence in Korea and Its Potential Risk Factors
title_short Trends in Childhood Thyroid Cancer incidence in Korea and Its Potential Risk Factors
title_sort trends in childhood thyroid cancer incidence in korea and its potential risk factors
topic childhood
thyroid
cancer
incidence
increase
Korea
url https://www.frontiersin.org/articles/10.3389/fendo.2021.681148/full
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