• 서울대학교 의학박사
• 서울대학교 의학석사
• 서울대학교 의과대학 졸업 (의학사)

• 2017-2021  | 성균관의대 내과학교실 주임교수 겸 삼성서울병원 내과 과장
• 2013-2017  | 삼성서울병원 갑상선센터장
• 2011-2017  | 삼성서울병원 내분비-대사 내과 과장
• 1994-2026  | 성균관의대 삼성서울병원 내분비내과 교수
• 2001-2002  | 미국 오하이오대학 (Edison Biotechnology Institute) 방문연구원
• 2000  | 미국 NIH (Cell Regulation Section, NIDDK) 방문연구원
• 1994  | 내분비내과 분과전문의 취득
• 1993  | 미국 NIH (Cell Regulation Section, NIDDK) 방문연구원
• 1992-1994  | 서울대학교병원 내분비내과 전임의사
• 1989  | 내과 전문의 취득
• 1985-1989  | 서울대학교병원 내과 전공의 수료

• 2025 | 대한갑상선학회 최우수 논문상
• 2025 | 대한암학회 머크 암학술상
• 2023 | 대한갑상선학회 범산학술상
• 2018 | 대한갑상선학회 임상연구상
• 2018 | 한국과학기술단체총연합회 제28회 과학기술우수논문상
• 2018 | 일본내분비학회 공로상
• 2018 | High Altmetric Score (British Journal of Surgery)
• 2017 | 대한내분비학회 EnM 학술상
• 2017 | 대한내분비학회 EnM 연구본상
• 2014 | 삼성서울병원 공로상
• 2013 | 대한내분비학회 최우수 논문상
• 2010 | 대한갑상선학회 한미약품 연구상
• 2009 | 대한갑상선학회 부경 우수논문상
• 2007 | 대한내분비학회 Genzyme 학술상
• 2003 | 성균관의대 Best tutor 표창

• 2021  | 대한내분비학회 회장
• 2015-2018  | 대한내과학회 평의원
• 2015-2016  | 대한내분비학회 무임소이사
• 2014-2015  | Thyroid Update 편집위원장
• 2013-2021  | Endocrine Journal (일본내분비학회지) 편집위원
• 2013-2015  | 질병관리본부 국가건강영양조사 자문위원
• 2013-2014  | 대한내분비학회 윤리이사
• 2012-2015  | Journal of Korean Medical Science 편집위원
• 2011-2015  | 대한갑상선학회 이사장
• 2011-2015  | 아시아-오세아니아 갑상선학회 (AOTA) 대의원
• 2008-2011  | Practical Endocrinology 편집위원
• 2008-2011  | 대한갑상선학회 기획이사
• 2005-2026  | 대한내분비학회 평의원
• 2005-2008  | 숙명여자대학교 여성질환연구센터 평가위원
• 2004-2007  | 대한내분비학회 갑상선분과회 총무이사

•  Triiodothyronine is associated with incidence/resolution of steatotic liver disease-Longitudinal study in euthyroid Korean.  Endocrinol Metab. 2025. 
•  Medullary thyroid carcinoma detected by health screening had better clinical outcome and survival..  Endocrinol Metab. 2025. 
•  Clinical outcomes of follicular thyroid carcinoma did not significantly differ according to tumor size in an iodine-excessive country. .  Endocrinol Metab. 2025. 
•  Mortality rate and causes of death in papillary thyroid microcarcinoma.  Endocrine. 2024. 
•  Combination of dabrafenib and trametinib in patients with metastatic BRAFV600E-mutated thyroid cancer..  Cancer Res Treat . 2024. 
•  Clinical manifestations of malignant struma ovarii: A retrospective case series in a tertiary hospital in Korea.  Endocrinol Metab. 2024. 
•  The association between BMI and BRAFV600E mutation may differ by primary tumor size.  Eur Thyroid J . 2024. 
•  Dyslipidemia is a risk factor for hypothyroidism in women: A longitudinal cohort study from South Korea.  Thyroid. 2023. 
•  Frequency of TERT promoter mutations in real-world analysis of 2,092 thyroid carcinoma patients.  Endocrinol Metab. 2022. 
•  Multimodal treatments and outcomes for anaplastic thyroid cancer before and after tyrosine kinase inhibitor therapy: A real-world experience.  Eur J Endocrinol . 2021. 
•  The longer the antithyroid drug is used, the lower the relapse rate in Graves' disease: a retrospective multicenter cohort study in Korea. .  Endocrine. 2021. 
•  Risk of all-cause mortality in levothyroxine-treated hypothyroid patients: A nationwide Korean cohort study.  Front Endocrinol . 2021. 
•  Trends in childhood thyroid cancer incidence in Korea and its potential risk factors.  Front Endocrinol . 2021. 
•  Antithyroid drug treatment in Graves' disease.  Endocrinol Metab. 2021. 
•  Long-term outcomes and causes of death among medullary thyroid carcinoma patients with distant metastases. .  Cancers. 2021. 
•  Metastatic lymph node ratio for predicting recurrence in medullary thyroid cancer.  Cancers. 2021. 
•  Update on thyroid hormone levels and thyroid dysfunction in the Korean population based on data from the Korea National Health and Nutrition Examination Survey VI (2013 to 2015). .  Endocrinol Metab. 2020. 
•  BRAF and TERT promoter mutations: clinical application in thyroid cancer.  Endocr J. 2020. 
•  Clinical course from diagnosis to death in patients with differentiated thyroid cancer. .  Cancers. 2020. 
•  Urinary iodine concentration and thyroid hormones: Korea National Health and Nutrition Examination Survey 2013-2015.  Eur J Nutr . 2019. 
•  Multifocality in a patient with cribriform-morular variant of papillary thyroid carcinoma is an important clue for the diagnosis of familial adenomatous polyposis.  Thyroid. 2019. 
•  Improved survival after early detection of asymptomatic distant metastasis in patients with thyroid cancer.  Sci Rep. 2019. 
•  Non-immune-related hypothyroidism and its relationship with excess iodine..  Eur J Nutr . 2018. 
•  Prognostic indicators of outcomes in patients with lung metastases from differentiated thyroid carcinoma during long-term follow-up.  Clin Endocrinol. 2018. 
•  Surgeon volume and prognosis of patients with advanced papillary thyroid cancer and lateral nodal metastasis. .  Br J Surg. 2018. 
•  Antithyroid drugs and congenital malformations: A nationwide Korean cohort study.  Ann Int Med. 2018. 
•  Iodine intake as a risk factor for BRAF mutations in papillary thyroid cancer patients from an iodine-replete area. .  European J Nutr. 2018. 
•  Refining the eighth edition AJCC TNM classification and prognostic groups for papillary thyroid cancer with lateral nodal metastasis. .  Oral Oncol. 2018. 
•  Treatment of relapsed hyperthyroidism.  J Korean Med Assoc. 2018. 
•  Strong association of relatively small and extremely excessive iodine intakes with thyroid cancer in an iodine-replete area. .  Eur J Nutr . 2017. 
•  Comprehensive screening for PD-L1 expression in thyroid cancer. .  Endocr Relat Cancer . 2017. 
•  Association of triiodothyronine levels with future development of metabolic syndrome in euthyroid middle-aged subjects: A 6-year retrospective longitudinal study. .  European J Endocrinol . 2017. 
•  Refining dynamic risk stratification and prognostic groups for differentiated thyroid cancer with TERT promoter mutations. .  J Clin Endocrinol Metab . 2017. 
•  Patterns of initial recurrence in completely resected papillary thyroid carcinoma.  Thyroid. 2017. 
•  Ultrasonographic prediction of highly aggressive telomerase reverse transcriptase (TERT) promoter-mutated papillary thyroid cancer. .  Endocrine. 2017. 
•  Prognostic value of the eighth edition AJCC TNM classification for differentiated thyroid carcinoma.  Oral Oncol. 2017. 
•  The relationship of 19 functional polymorphisms in iodothyronine deiodinase and psychological well-being in hypothyroid patients. .  Endocrine. 2017. 
•  Validation of dynamic risk stratification in pediatric differentiated thyroid cancer.  Endocrine. 2017. 
•  Restratification of survival prognosis of N1b papillary thyroid cancer by lateral lymph node ratio and largest lymph node size.  Cancer Med. 2017. 
•  Ultrasound and clinicopathological features of papillary thyroid carcinomas with BRAF and TERT promoter mutations.  Oncotarget. 2017. 
•  Efficacy of low-dose and high-dose radioactive iodine ablation with rhTSH in Korean patients with differentiated thyroid carcinoma: The first report in nonwestern countries.  Am J Clin Oncol . 2016. 
•  Highly concordant key genetic alterations in primary tumors and matched distant metastases in differentiated thyroid cancer. .  Thyroid. 2016. 
•  TERT promoter mutations and long-term survival in patients with thyroid cancer..  Endocr Relat Cancer . 2016. 
•  Number of tumor foci as predictor of lateral lymph node metastasis in papillary thyroid carcinoma..  Haed Neck. 2015. 
•  Excessive iodine intake does not increase the recurrence rate of Graves’ disease after withdrawal of the anti-thyroid drug in an iodine-replete area. .  Eur Thyroid J . 2015. 
•  Trends in thyroid cancer incidence in Korean children (1999-2012) based on palpation and nonpalpation detection methods. .  Eur Thyroid J . 2015. 

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