Endocrinology and Metabolism

Sei Hyun Baik (Baik SH)

30 Articles

Miscellaneous
AM1638, a GPR40-Full Agonist, Inhibited Palmitate- Induced ROS Production and Endoplasmic Reticulum Stress, Enhancing HUVEC Viability in an NRF2-Dependent Manner: Hwan-Jin Hwang, Joo Won Kim, SukHwan Yun, Min Jeong Park, Eyun Song, Sooyeon Jang, Ahreum Jang, Kyung Mook Choi, Sei Hyun Baik, Hye Jin Yoo; Endocrinol Metab. 2023;38(6):760-769. Published online November 2, 2023; DOI: https://doi.org/10.3803/EnM.2023.1774

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Abstract PDF PubReader ePub: Background
G protein-coupled receptor 40 (GPR40) is a key molecule in diabetes and fatty liver, but its role in endothelial dysfunction remains unclear. Our objective in this study was to determine whether GPR40 agonists protect endothelial cells against palmitatemediated oxidative stress.
Methods
Human umbilical vein endothelial cells (HUVECs) were used to investigate effects of various GPR40 agonists on vascular endothelium.
Results
In HUVECs, AM1638, a GPR40-full agonist, enhanced nuclear factor erythroid 2–related factor 2 (NRF2) translocation to the nucleus and heme oxygenase-1 (HO-1) expression, which blocked palmitate-induced superoxide production. Those antioxidant effects were not detected after treatment with LY2922470 or TAK875, GPR40-partial agonists, suggesting that GPR40 regulates reactive oxygen species (ROS) removal in a ligand-dependent manner. We also found that palmitate-induced CCAAT/enhancer‐binding protein homologous protein expression; X-box binding protein-1 splicing, nuclear condensation, and fragmentation; and caspase-3 cleavage were all blocked in an NRF2-dependent manner after AM1638 treatment. Both LY2922470 and TAK875 also improved cell viability independent of the NRF2/ROS pathway by reducing palmitate-mediated endoplasmic reticulum stress and nuclear damage. GPR40 agonists thus have beneficial effects against palmitate in HUVECs. In particular, AM1638 reduced palmitate-induced superoxide production and cytotoxicity in an NRF2/HO-1 dependent manner.
Conclusion
GPR40 could be developed as a good therapeutic target to prevent or treat cardiovascular diseases such as atherosclerosis.

Diabetes, Obesity and Metabolism
Sleep Duration and the Risk of Type 2 Diabetes: A Community-Based Cohort Study with a 16-Year Follow-up: Da Young Lee, Inha Jung, So Young Park, Ji Hee Yu, Ji A Seo, Kyeong Jin Kim, Nam Hoon Kim, Hye Jin Yoo, Sin Gon Kim, Kyung Mook Choi, Sei Hyun Baik, Seung Ku Lee, Chol Shin, Nan Hee Kim; Endocrinol Metab. 2023;38(1):146-155. Published online February 6, 2023; DOI: https://doi.org/10.3803/EnM.2022.1582

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Background
We aimed to investigate the moderating effects of obesity, age, and sex on the association between sleep duration and the development of diabetes in Asians.
Methods
We analyzed data from a cohort of the Korean Genome and Epidemiology Study conducted from 2001 to 2020. After excluding shift workers and those with diabetes at baseline, 7,407 participants were stratified into three groups according to sleep duration: ≤5 hours/night, >5 to 7 hours/night (reference), and >7 hours/night. The Cox proportional hazards analyses were used to calculate the hazard ratios (HRs) and 95% confidence intervals (CIs) for incident type 2 diabetes mellitus (T2DM). Subgroup analyses were performed according to obesity, age, and sex.
Results
During 16 years of follow-up, 2,024 cases of T2DM were identified. Individuals who slept ≤5 h/night had a higher risk of incident diabetes than the reference group (HR, 1.17; 95% CI, 1.02 to 1.33). The subgroup analysis observed a valid interaction with sleep duration only for obesity. A higher risk of T2DM was observed in the ≤5 hours/night group in non-obese individuals, men, and those aged <60 years, and in the >7 hours/night group in obese individuals (HRs were 1.34 [95% CI, 1.11 to 1.61], 1.22 [95% CI, 1 to 1.49], and 1.18 [95% CI, 1.01 to 1.39], respectively).
Conclusion
This study confirmed the effect of sleep deprivation on the risk of T2DM throughout the 16-year follow-up period. This impact was confined to non-obese or young individuals and men. We observed a significant interaction between sleep duration and obesity.

Citations

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Attention to Innate Circadian Rhythm and the Impact of Its Disruption on Diabetes
Da Young Lee, Inha Jung, So Young Park, Ji Hee Yu, Ji A Seo, Kyeong Jin Kim, Nam Hoon Kim, Hye Jin Yoo, Sin Gon Kim, Kyung Mook Choi, Sei Hyun Baik, Nan Hee Kim
Diabetes & Metabolism Journal.2024; 48(1): 37. CrossRef
Role of Sleep and Sleep Disorders in Cardiometabolic Risk: a Review and Update
Shaden O. Qasrawi, Ahmed S. BaHammam
Current Sleep Medicine Reports.2024; 10(1): 34. CrossRef
Evaluating reliability in wearable devices for sleep staging
Vera Birrer, Mohamed Elgendi, Olivier Lambercy, Carlo Menon
npj Digital Medicine.2024;[Epub] CrossRef
All That Glitters Is Not Gold: The Same Sleep Time, but Different Diabetogenic Outcomes
Bohye Kim, Obin Kwon
Endocrinology and Metabolism.2023; 38(1): 78. CrossRef
The Link Between Sleeping and Type 2 Diabetes: A Systematic Review
Ali Darraj
Cureus.2023;[Epub] CrossRef

Diabetes, Obesity and Metabolism
Sestrin2 Regulates Beneficial β3-Adrenergic Receptor-Mediated Effects Observed in Inguinal White Adipose Tissue and Soleus Muscle: Min Jeong Park, Joo Won Kim, Eun Roh, Kyung Mook Choi, Sei Hyun Baik, Hwan-Jin Hwang, Hye Jin Yoo; Endocrinol Metab. 2022;37(3):552-557. Published online June 29, 2022; DOI: https://doi.org/10.3803/EnM.2022.1421

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Sestrin2, a well-known adenosine monophosphate-activated protein kinase (AMPK) regulator, plays a protective role against metabolic stress. The β3-adrenergic receptor (β3AR) induces fat browning and inhibits muscle atrophy in an AMPK-dependent manner. However, no prior research has examined the relationship of sestrin2 with β3AR in body composition changes. In this study, CL 316,243 (CL), a β3AR agonist, was administered to wild-type and sestrin2-knockout (KO) mice for 2 weeks, and fat and muscle tissues were harvested. CL induced AMPK phosphorylation, expression of brown-fat markers, and mitochondrial biogenesis, which resulted in the reduction of lipid droplet size in inguinal white adipose tissue (iWAT). These effects were not observed in sestrin2-KO mice. In CL-treated soleus muscle, sestrin2-KO was related to decreased myogenic gene expression and increased levels of muscle atrophy-related molecules. Our results suggest that sestrin2 is associated with beneficial β3AR-mediated changes in body composition, especially in iWAT and in the soleus.

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Sestrin2 levels in patients with anxiety and depression myocardial infarction was up-regulated and suppressed inflammation and ferroptosis by LKB1-mediated AMPK activation
Yufeng Qian, Lian Chen, Beibei Gao, Xianhua Ye
Clinical and Experimental Hypertension.2023;[Epub] CrossRef
Sestrin2 in diabetes and diabetic complications
Xiaodan Zhang, Zirui Luo, Jiahong Li, Yaxuan Lin, Yu Li, Wangen Li
Frontiers in Endocrinology.2023;[Epub] CrossRef

Thyroid Big Data Articles (National Health Insurance Service Database)
Risk of Diabetes in Patients with Long-Standing Graves’ Disease: A Longitudinal Study: Eyun Song, Min Ji Koo, Eunjin Noh, Soon Young Hwang, Min Jeong Park, Jung A Kim, Eun Roh, Kyung Mook Choi, Sei Hyun Baik, Geum Joon Cho, Hye Jin Yoo; Endocrinol Metab. 2021;36(6):1277-1286. Published online December 16, 2021; DOI: https://doi.org/10.3803/EnM.2021.1251

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Background
The detrimental effects of excessive thyroid hormone on glucose metabolism have been widely investigated. However, the risk of diabetes in patients with long-standing hyperthyroidism, especially according to treatment modality, remains uncertain, with few longitudinal studies.
Methods
The risk of diabetes in patients with Graves’ disease treated with antithyroid drugs (ATDs) for longer than the conventional duration (≥2 years) was compared with that in age-and sex-matched controls. The risk was further compared according to subsequent treatment modalities after a 24-month course of ATD: continuation of ATD (ATD group) vs. radioactive iodine ablation (RIA) group.
Results
A total of 4,593 patients were included. Diabetes was diagnosed in 751 (16.3%) patients over a follow-up of 7.3 years. The hazard ratio (HR) for diabetes, after adjusting for various known risk factors, was 1.18 (95% confidence interval [CI], 1.10 to 1.28) in patients with hyperthyroidism. Among the treatment modality groups, the RIA group (n=102) had a higher risk of diabetes than the ATD group (n=4,491) with HR of 1.56 (95% CI, 1.01 to 2.42). Further, the risk of diabetes increased with an increase in the ATD treatment duration (P for trend=0.019).
Conclusion
The risk of diabetes was significantly higher in patients with long-standing Graves’ disease than in the general population, especially in patients who underwent RIA and prolonged ATD treatment. Special attention to hyperglycemia during follow-up along with effective control of hyperthyroidism may be necessary to reduce the risk of diabetes in these patients.

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Safety of non-standard regimen of systemic steroid therapy in patients with Graves’ orbitopathy: a single-centre experience
Nadia Sawicka-Gutaj, Dawid Gruszczyński, Natalia Zawalna, Kacper Nijakowski, Agnieszka Skiba, Mateusz Pochylski, Jerzy Sowiński, Marek Ruchała
Pharmacological Reports.2024; 76(1): 185. CrossRef
Increased risk of diabetes mellitus and hyperlipidemia in patients with differentiated thyroid cancer
Hwa Young Ahn, Jooyoung Lee, Jinmo Kang, Eun Kyung Lee
European Journal of Endocrinology.2024; 190(3): 248. CrossRef
Prevalencia de diabetes en personas con disfunción tiroidea
Juan J. Díez, Pedro Iglesias
Medicina Clínica.2023; 160(8): 333. CrossRef
Control of Thyroid Dysfunction in Spanish Population Registered in the Primary Care Clinical Database: An Analysis of the Proportion of Patients with Thyrotropin Values Outside the Reference Range
Juan J. Díez, Pedro Iglesias
Hormone and Metabolic Research.2023; 55(03): 184. CrossRef
Prevalence of thyroid dysfunction and its relationship to income level and employment status: a nationwide population-based study in Spain
Juan J. Díez, Pedro Iglesias
Hormones.2023; 22(2): 243. CrossRef
Prevalence of diabetes in people with thyroid dysfunction
Juan J. Díez, Pedro Iglesias
Medicina Clínica (English Edition).2023; 160(8): 333. CrossRef
Diabetes Mellitus Secondary to Endocrine Diseases: An Update of Diagnostic and Treatment Particularities
Mihaela Simona Popoviciu, Lorena Paduraru, Raluca Marinela Nutas, Alexandra Maria Ujoc, Galal Yahya, Kamel Metwally, Simona Cavalu
International Journal of Molecular Sciences.2023; 24(16): 12676. CrossRef
Thyroid Eye Disease and Its Association With Diabetes Mellitus: A Major Review
Roshmi Gupta, Pramila Kalra, Lakshmi B. Ramamurthy, Suryasnata Rath
Ophthalmic Plastic & Reconstructive Surgery.2023; 39(6S): S51. CrossRef
Metabolite Changes during the Transition from Hyperthyroidism to Euthyroidism in Patients with Graves’ Disease
Ho Yeop Lee, Byeong Chang Sim, Ha Thi Nga, Ji Sun Moon, Jingwen Tian, Nguyen Thi Linh, Sang Hyeon Ju, Dong Wook Choi, Daiki Setoyama, Hyon-Seung Yi
Endocrinology and Metabolism.2022; 37(6): 891. CrossRef
Diabetes and Hyperthyroidism: Is There a Causal Link?
Sang Yong Kim
Endocrinology and Metabolism.2021; 36(6): 1175. CrossRef

Clinical Study
Impact of the Dynamic Change of Metabolic Health Status on the Incident Type 2 Diabetes: A Nationwide Population-Based Cohort Study: Jung A Kim, Da Hye Kim, Seon Mee Kim, Yong Gyu Park, Nan Hee Kim, Sei Hyun Baik, Kyung Mook Choi, Kyungdo Han, Hye Jin Yoo; Endocrinol Metab. 2019;34(4):406-414. Published online December 23, 2019; DOI: https://doi.org/10.3803/EnM.2019.34.4.406

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Background

Metabolically healthy obese (MHO) is regarded as a transient concept. We examined the effect of the dynamic change of metabolic health status on the incidence of type 2 diabetes mellitus (T2DM) both in obese and normal weight individuals.

Methods

We analyzed 3,479,514 metabolically healthy subjects aged over 20 years from the Korean National Health Screening Program, who underwent health examination between 2009 and 2010, with a follow-up after 4 years. The relative risk for T2DM incidence until the December 2017 was compared among the four groups: stable metabolically healthy normal weight (MHNW), unstable MHNW, stable MHO, and unstable MHO.

Results

During the 4 years, 11.1% of subjects in the MHNW group, and 31.5% in the MHO group converted to a metabolically unhealthy phenotype. In the multivariate adjusted model, the unstable MHO group showed the highest risk of T2DM (hazard ratio [HR], 4.67; 95% confidence interval [CI], 4.58 to 4.77). The unstable MHNW group had a higher risk of T2DM than stable MHO group ([HR, 3.23; 95% CI, 3.16 to 3.30] vs. [HR, 1.81; 95% CI, 1.76 to 1.85]). The stable MHO group showed a higher risk of T2DM than the stable MHNW group. The influence of the transition into a metabolically unhealthy phenotype on T2DM incidence was greater in subjects with aged <65 years, women, and those with weight gain.

Conclusion

Metabolically healthy phenotype was transient both in normal weight and obese individuals. Maintaining metabolic health was critical for the prevention of T2DM, irrespective of their baseline body mass index.

Citations

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Metabolically healthy obese individuals are still at high risk for diabetes: Application of the marginal structural model
Hye Ah Lee, Hyesook Park
Diabetes, Obesity and Metabolism.2024; 26(2): 431. CrossRef
Association of anthropometric parameters as a risk factor for development of diabetic retinopathy in patients with diabetes mellitus
Aditya Verma, Ashok Jha, Ahmed Roshdy Alagorie, Rishi Sharma
Eye.2023; 37(2): 303. CrossRef
From Metabolic Syndrome to Type 2 Diabetes in Youth
Dario Iafusco, Roberto Franceschi, Alice Maguolo, Salvatore Guercio Nuzio, Antonino Crinò, Maurizio Delvecchio, Lorenzo Iughetti, Claudio Maffeis, Valeria Calcaterra, Melania Manco
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Assessment of Metabolic Syndrome Risk Based on Body Size Phenotype in Korean Adults: Analysis of Community-based Cohort Data
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Dynamic Changes in Metabolic Status Are Associated With Risk of Ocular Motor Cranial Nerve Palsies
Daye Diana Choi, Kyung-Ah Park, Kyungdo Han, Sei Yeul Oh
Journal of Neuro-Ophthalmology.2023;[Epub] CrossRef
New metabolic health definition might not be a reliable predictor for diabetes in the nonobese Chinese population
Liying Li, Ziqiong Wang, Haiyan Ruan, Muxin Zhang, Linxia Zhou, Xin Wei, Ye Zhu, Jiafu Wei, Xiaoping Chen, Sen He
Diabetes Research and Clinical Practice.2022; 184: 109213. CrossRef
Metabolically healthy obesity: Is it really healthy for type 2 diabetes mellitus?
Qi Wu, Ming-Feng Xia, Xin Gao
World Journal of Diabetes.2022; 13(2): 70. CrossRef
Metabolically obese phenotype and its dynamic change are associated with increased carotid intima-media thickness: Results from a cohort study
Liping Yang, Xue Li, Li Wang, Shan Xu, Yanmei Lou, Fulan Hu
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Obesity Metabolic Phenotype, Changes in Time and Risk of Diabetes Mellitus in an Observational Prospective Study on General Population
Chan Yang, Xiaowei Liu, Yuanyuan Dang, Juan Li, Jingyun Jing, Di Tian, Jiangwei Qiu, Jiaxing Zhang, Ni Yan, Xiuying Liu, Yi Zhao, Yuhong Zhang
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Implications of metabolic health status and obesity on the risk of kidney cancer: A nationwide population-based cohort study
Yun Kyung Cho, Hwi Seung Kim, Joong-Yeol Park, Woo Je Lee, Ye-Jee Kim, Chang Hee Jung
Frontiers in Endocrinology.2022;[Epub] CrossRef
Metabolic health is a determining factor for incident colorectal cancer in the obese population: A nationwide population‐based cohort study
Yun Kyung Cho, Jiwoo Lee, Hwi Seung Kim, Joong‐Yeol Park, Woo Je Lee, Ye‐Jee Kim, Chang Hee Jung
Cancer Medicine.2021; 10(1): 220. CrossRef
Cumulative Exposure to Metabolic Syndrome Components and the Risk of Dementia: A Nationwide Population-Based Study
Yunjung Cho, Kyungdo Han, Da Hye Kim, Yong-Moon Park, Kun-Ho Yoon, Mee Kyoung Kim, Seung-Hwan Lee
Endocrinology and Metabolism.2021; 36(2): 424. CrossRef
Excessive Intake of High-Fructose Corn Syrup Drinks Induces Impaired Glucose Tolerance
Hidemi Hattori, Yuma Hanai, Yuto Oshima, Hiroaki Kataoka, Nozomu Eto
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The risk of Alzheimer’s disease according to dynamic changes in metabolic health and obesity: a nationwide population-based cohort study
Yun Kyung Cho, Jiwoo Lee, Hwi Seung Kim, Joong-Yeol Park, Woo Je Lee, Ye-Jee Kim, Chang Hee Jung
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M. A. Boyarinova, O. P. Rotar, A. M. Erina, N. A. Paskar, A. S. Alieva, E. V. Moguchaia, E. P. Kolesova, A. O. Konradi
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Physiological and Lifestyle Traits of Metabolic Dysfunction in the Absence of Obesity
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Current Diabetes Reports.2020;[Epub] CrossRef
Exploring Therapeutic Targets to Reverse or Prevent the Transition from Metabolically Healthy to Unhealthy Obesity
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Prepregnancy smoking and the risk of gestational diabetes requiring insulin therapy
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Obesity with and without type 2 diabetes: are there differences in obesity history, lifestyle factors or concomitant pathology?
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Effects of Vildagliptin or Pioglitazone on Glycemic Variability and Oxidative Stress in Patients with Type 2 Diabetes Inadequately Controlled with Metformin Monotherapy: A 16-Week, Randomised, Open Label, Pilot Study: Nam Hoon Kim, Dong-Lim Kim, Kyeong Jin Kim, Nan Hee Kim, Kyung Mook Choi, Sei Hyun Baik, Sin Gon Kim; Endocrinol Metab. 2017;32(2):241-247. Published online June 23, 2017; DOI: https://doi.org/10.3803/EnM.2017.32.2.241

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Background

Glycemic variability is associated with the development of diabetic complications through the activation of oxidative stress. This study aimed to evaluate the effects of a dipeptidyl peptidase 4 inhibitor, vildagliptin, or a thiazolidinedione, pioglitazone, on glycemic variability and oxidative stress in patients with type 2 diabetes.

Methods

In this open label, randomised, active-controlled, pilot trial, individuals who were inadequately controlled with metformin monotherapy were assigned to either vildagliptin (50 mg twice daily, n=17) or pioglitazone (15 mg once daily, n=14) treatment groups for 16 weeks. Glycemic variability was assessed by calculating the mean amplitude of glycemic excursions (MAGE), which was obtained from continuous glucose monitoring. Urinary 8-iso prostaglandin F₂α, serum oxidised low density lipoprotein, and high-sensitivity C-reactive protein were used as markers of oxidative stress or inflammation.

Results

Both vildagliptin and pioglitazone significantly reduced glycated hemoglobin and mean plasma glucose levels during the 16-week treatment. Vildagliptin also significantly reduced the MAGE (from 93.8±38.0 to 70.8±19.2 mg/dL, P=0.046), and mean standard deviation of 24 hours glucose (from 38±17.3 to 27.7±6.9, P=0.026); however, pioglitazone did not, although the magnitude of decline was similar in both groups. Markers of oxidative stress or inflammation including urinary 8-iso prostaglandin F₂α did not change after treatment in both groups.

Conclusion

In this 16-week treatment trial, vildagliptin, but not pioglitazone, reduced glycemic variability in individuals with type 2 diabetes who was inadequately controlled with metformin monotherapy, although a reduction of oxidative stress markers was not observed.

Citations

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What is Glycaemic Variability and which Pharmacological Treatment Options are Effective? A Narrative Review
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Antonio Ceriello, Ali A. Rizvi, Manfredi Rizzo
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Contrasting Three Non-hypoglycemic Antidiabetic Drug Effects on Glycemic Control in Newly Diagnosed Type II Diabetes Mellitus: An Experimental Study
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Shangyu Chai, Ruya Zhang, Ye Zhang, Richard David Carr, Yiman Zheng, Swapnil Rajpathak, Miao Yu
Frontiers in Endocrinology.2022;[Epub] CrossRef
Comparison of Efficacy of Glimepiride, Alogliptin, and Alogliptin-Pioglitazone as the Initial Periods of Therapy in Patients with Poorly Controlled Type 2 Diabetes Mellitus: An Open-Label, Multicenter, Randomized, Controlled Study
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Anne-Esther Breyton, Stéphanie Lambert-Porcheron, Martine Laville, Sophie Vinoy, Julie-Anne Nazare
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Efficacy and safety profile of sitagliptin, vildagliptin, and metformin in newly diagnosed type 2 diabetic subjects
Sahar Hossam Elhini, Amal K. Hussien, Ahmed Abd Elsamie Omran, Asmaa A. Elsayed, Haitham saeed
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Small changes in glucose variability induced by low and high glycemic index diets are not associated with changes in β-cell function in adults with pre-diabetes
Kristina M. Utzschneider, Tonya N. Johnson, Kara L. Breymeyer, Lisa Bettcher, Daniel Raftery, Katherine M. Newton, Marian L. Neuhouser
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Impact of long-term glucose variability on coronary atherosclerosis progression in patients with type 2 diabetes: a 2.3 year follow-up study
Suhua Li, Xixiang Tang, Yanting Luo, Bingyuan Wu, Zhuoshan Huang, Zexiong Li, Long Peng, Yesheng Ling, Jieming Zhu, Junlin Zhong, Jinlai Liu, Yanming Chen
Cardiovascular Diabetology.2020;[Epub] CrossRef
Visit-to-visit fasting plasma glucose variability is an important risk factor for long-term changes in left cardiac structure and function in patients with type 2 diabetes
Xixiang Tang, Junlin Zhong, Hui Zhang, Yanting Luo, Xing Liu, Long Peng, Yanling Zhang, Xiaoxian Qian, Boxiong Jiang, Jinlai Liu, Suhua Li, Yanming Chen
Cardiovascular Diabetology.2019;[Epub] CrossRef
Effect of dipeptidyl-peptidase-4 inhibitors on C-reactive protein in patients with type 2 diabetes: a systematic review and meta-analysis
Xin Liu, Peng Men, Bo Wang, Gaojun Cai, Zhigang Zhao
Lipids in Health and Disease.2019;[Epub] CrossRef
Efficacy and Safety of Pioglitazone Monotherapy in Type 2 Diabetes Mellitus: A Systematic Review and Meta-Analysis of Randomised Controlled Trials
Fahmida Alam, Md. Asiful Islam, Mafauzy Mohamed, Imran Ahmad, Mohammad Amjad Kamal, Richard Donnelly, Iskandar Idris, Siew Hua Gan
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Glycemic Variability: How to Measure and Its Clinical Implication for Type 2 Diabetes
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The American Journal of the Medical Sciences.2018; 356(6): 518. CrossRef

A Case of Multiple Osteoporotic Compression Fractures in Young Man with Budd-Chiari Syndrome.: Sun Hwa Kim, Tae Un Yang, Byeong Kwang Choi, Hye Jin Yoo, Ji A Seo, Kyung Mook Choi, Nan Hee Kim, Sin Gon Kim, Sei Hyun Baik, Dong Seop Choi, Hae Yoon Choi; Endocrinol Metab. 2012;27(4):334-339. Published online December 20, 2012; DOI: https://doi.org/10.3803/EnM.2012.27.4.334

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Abstract PDF: Osteoporosis in young men is extremely rare. In this report, we demonstrate a rare case of multiple vertebral fractures discovered in a young man with Budd-Chiari syndrome without prior history of trauma. A 29-year-old man was diagnosed as Budd-Chiari syndrome 12 years ago and underwent a mesocaval shunt to relieve the hepatic vein obstruction and was on warfarin therapy. He suffered from low back pain and it was not relieved by analgesics. A T-L spine X-ray revealed multiple compression fractures and the z-score at lumbar spine was -3.7 which is below the expected range for that age. The patient was treated with calcium, vitamin D and bisphosphonate, and showed clinical improvement. This case highlights the importance of the investigation for secondary osteoporosis in young adults with an underlying disease that alters bone metabolism.

Thyroid Dysfunction of North Korean Women Living in South Korea, Focusing on Subclinical Hypothyroidism.: Joo Hyung Kim, Sol Ah Park, Nam Hoon Kim, Jae Hee Ahn, Yoon Jung Kim, Myongjin Cho, Yoon Jung Lee, Hye Jin Yoo, Hee Young Kim, Ji A Seo, Nan Hee Kim, Kyung Mook Choi, Sei Hyun Baik, Dong Seop Choi, Sin Gon Kim; Endocrinol Metab. 2012;27(3):200-207. Published online September 19, 2012; DOI: https://doi.org/10.3803/EnM.2012.27.3.200

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BACKGROUND
Thyroid function depends on ethnic and environmental factors. North Korean refugees have the same genetic background as South Koreans, but they have been exposed to different environments. This study examines the prevalence and pattern of thyroid disorders in North Korean women living in South Korea, focusing on subclinical hypothyroidism (SCH). METHODS: The intended sample was a total of 327 North Korean women residing in Seoul. Health questionnaires and medical examinations, including serum thyrotropin (thyroid stimulating hormone, TSH), free thyroxine, and thyroid autoantibodies, were conducted. RESULTS: The prevalence of SCH was 9.4%. In logistic regression analysis, smoking, menopause, length of stay in South Korea, body mass index, history of thyroid disease, and metabolic syndrome were not associated with the risk of SCH. Whereas, the positivity of autoantibodies were associated with a high risk for SCH (odds ratio [OR], 4.840; 95% confidence interval [CI], 1.80-13.017; P = 0.002), and age was associated with a low risk for SCH (OR, 0.94; 95% CI, 0.888-0.994; P = 0.031). The serum TSH levels also decreased with increasing age, and in particular, there was significant difference between 30-39 years, and over 60 years (2.33 +/- 1.51 microIU/mL vs. 1.54 +/- 0.73 microIU/mL, P = 0.028). CONCLUSION: In North Korean women, the positivity of autoantibodies was associated with a high risk for SCH. But interestingly, a younger age was associated with a high risk for SCH. Considering that they suffered from severe famine at the period of growth, and this led to malnutrition, their thyroid dysfunction might be associated with the peculiar environment that they experienced.

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Systematic review of evidence on public health in the Democratic People’s Republic of Korea
John J Park, Ah-Young Lim, Hyung-Soon Ahn, Andrew I Kim, Soyoung Choi, David HW Oh, Owen Lee-Park, Sharon Y Kim, Sun Jae Jung, Jesse B Bump, Rifat Atun, Hee Young Shin, Kee B Park
BMJ Global Health.2019; 4(2): e001133. CrossRef
Environmental Factors and Thyroid Dysfunction
Hyun-Kyung Chung
Endocrinology and Metabolism.2012; 27(3): 191. CrossRef

Hyperprolactinemia-Associated Breast Uptake of Radioiodine Following 131I Postablation Scan in Differentiated Thyroid Cancer.: Jae Hee Ahn, Sun Young Kim, Ye Ji Kim, Suk Young Lee, Jae Hyoung Lee, Seung Hun Kang, Ho Cheol Hong, Sae Jeong Yang, Hye Jin Yoo, Ji A Seo, Sin Gon Kim, Nan Hee Kim, Kyung Mook Choi, Sei Hyun Baik, Dong Seop Choi, Hae Yoon Choi; Endocrinol Metab. 2011;26(4):345-347. Published online December 1, 2011; DOI: https://doi.org/10.3803/EnM.2011.26.4.345

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Scanning with whole-body 131I scintigraphy after surgery has been a valuable diagnostic modality in the surveillance of patients with differentiated thyroid cancer. Radioiodine uptake is rarely observed in non-lactating breast tissue, which mimics thyroid cancer metastasis. We now report a case of a 45-year-old female thyroid cancer patient who underwent radioiodine therapy, and in whom breast uptake of radioiodine was observed on a post-therapy whole body scan. Her serum prolactin level was elevated to 328 ng/mL at the time of the radioiodine uptake, and the hyperprolactinemia was induced by her antipsychotic medications. Six months after she discontinued that medication, her serum prolactin level was normalized to 12.6 ng/mL and breast uptake of iodine was no longer present in a follow-up whole body scan.

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Incidental Findings of Intense Radioiodine Uptake in Struma Ovarii and Bilateral Nonlactating Breasts Simultaneously on Postablation 131I SPECT/CT for Papillary Thyroid Cancer
Hye-kyung Shim, Mi Ra Kim
Nuclear Medicine and Molecular Imaging.2016; 50(4): 353. CrossRef

Successful Localization of Distant Metastasis in Parathyroid Carcinoma Using Intraoperative Parathyroid Hormone Assay.: Ho Cheol Hong, Sun Won Kim, Tae Hyung Kim, In Hye Cha, Jae Hee Ahn, Hye Jin Yoo, Hee Young Kim, Ji A Seo, Hyun Koo Kim, Sin Gon Kim, Nan Hee Kim, Kyung Mook Choi, Jae Bok Lee, Sei Hyun Baik, Dong Seop Choi; Endocrinol Metab. 2011;26(1):92-96. Published online March 1, 2011; DOI: https://doi.org/10.3803/EnM.2011.26.1.92

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Intra-operative parathyroid hormone (IOPTH) assay is a useful tool to confirm complete excision of all hyper-functioning parathyroid gland tissue. In this report, we describe a case with successful localization of distant metastasis in a patient with parathyroid carcinoma using the IOPTH assay. A 53-year-old man presented to our clinic with a serum calcium level of 11.8 mg/dL and an intact PTH level of 233.3 pg/mL. He had been treated for parathyroid carcinoma eleven years ago. Two suspected metastatic lesions were detected on the chest computed tomography. Due to the vastly different surgical field necessary to excise each lesion, we preferentially removed only one lesion and we monitored the other remaining suspected lesion without resection via IOPTH assay. Six months later, the patient's serum calcium and intact PTH levels remained within their normal ranges. To the best of our knowledge, this is the first case to effectively utilize IOPTH assay for the management of metastatic parathyroid carcinoma.

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The association of abdominal obesity, obesity and parathyroid hormone in Korean adults (aged≥50 years): The Korea National Health and Nutrition Survey, 2011
Kyu Su Lee, Yo Sang Yoon, Hyun Yoon
Journal of the Korea Academia-Industrial cooperation Society.2015; 16(6): 3882. CrossRef

A Case of Recurrent Ectopic Parathyroid Adenoma Developed 22 Years after the Initial Parathyroidectomy.: Yoon Jung Kim, Ji A Seo, Ji Mi Moon, Young Jin Seo, Hae Yoon Choi, Hye Sook Kim, Sin Gon Kim, Kyeung mook Choi, Sei Hyun Baik, Dong Seop Choi, Nan Hee Kim; J Korean Endocr Soc. 2009;24(4):260-264. Published online December 1, 2009; DOI: https://doi.org/10.3803/jkes.2009.24.4.260

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Abstract PDF: Persistent or recurrent primary hyperparathyroidism after initial parathyroid surgery occurs at rates of 1.5~10%. A single missed parathyroid adenoma accounts for the majority of persistent hyperparathyroidism, whereas metachronous parathyroid adenoma is a rare cause of recurrent hypercalcemia. We report a case of a 39-year-old female who presented with recurrent pancreatitis. She had symptoms of hyperparathyroidism such as hypercalcemia, hypophosphatemia, hypercalciuria, nephrocalcinosis, and osteoporosis. She had a 2-cm firm neck mass under the right submandibular area. She was diagnosed with primary hyperparathyroidism 22 years ago. At that time, the right upper and lower parathyroid glands were removed after exploration of all parathyroid glands, and a right upper parathyroid adenoma was diagnosed. Now, she had a second surgery to remove the right submandibular mass with intraoperative PTH monitoring, which was diagnosed as a parathyroid adenoma in an ectopic supernumerary parathyroid gland. Because of hungry bone syndrome, she received calcium carbonate replacement therapy and has no evidence of recurrence. Here, we report a recurrent parathyroid adenoma in the undescended, supernumerary parathyroid gland after a long interval from the initial surgery.

A Case of Fulminant Type 1 Diabetes Mellitus Complicated with Ischemic Ileitis.: Se Won Oh, Ju Ri Park, Yun Jeong Lee, Hee Yeong Kim, Ji A Seo, Nan Hee Kim, Kyung Mook Choi, Sei Hyun Baik, Dong Seop Choi, Sin Gon Kim; J Korean Endocr Soc. 2009;24(2):116-120. Published online June 1, 2009; DOI: https://doi.org/10.3803/jkes.2009.24.2.116

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Abstract PDF: Fulminant type 1 diabetes is characterized by diabetes with an abrupt onset, severe metabolic acidosis at diagnosis, a low HbA1c level and negativity for islet cell-related autoantibodies, and this illness has been classified as type 1B diabetes by the WHO. The prevalence of this disease is higher in Japan than any other country and recently, there have been an increasing number of such case reports in Korea. Genetic factors and environmental factors such as virus infection and an immune mechanism have been suggested as the mechanism of the pathophysiology, but this remains to be clarified.

Normal Repetitive Pregnancies and Tumor Regression Induced by Low-Dose Bromocriptine in a Patient with Macroprolactinoma.: Hye Jung Choi, Jin Yong Park, Woo Seok Choi, Jong Gyu Song, Hee Young Kim, Ji A Seo, Sin Gon Kim, Nan Hee Kim, Kyung Mook Choi, Sei Hyun Baik, Dong Seop Choi; J Korean Endocr Soc. 2009;24(1):42-46. Published online March 1, 2009; DOI: https://doi.org/10.3803/jkes.2009.24.1.42

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Abstract PDF: Prolactin-secreting adenomas are the most common pituitary tumors. Menstrual disturbances and infertility are the main complaints in women with prolactinoma. Dopaminergic agonists such as bromocriptine are well-established treatments for prolactinoma when pregnancy is desired. Pregnancy-related outcomes in macroprolactinoma are worse than those in microprolactinoma. In addition, symptomatic tumor expansion during pregnancy occurs in 30% of women with macroprolactinoma. Therefore, when women with macroprolactinoma are planning a pregnancy, serum prolactin level should be normalized and the tumor volume significantly reduced. On the other hand, a spontaneous regression of macroprolactinoma can occur after pregnancy. We report a case of macroprolactinoma showing significant tumor regression during repeated pregnancies and low dose bromocriptine treatment, with a literature review.

Two Cases of Acromegaly with Empty Sella Syndrome Treated by Long-Acting Release Octreotide.: Dong Jin Kim, Young Jin Seo, Nam Hoon Kim, Hye Soo Chung, Chai Ryoung Eun, Hye Jung Choi, Hye Sook Kim, Sae Jeong Yang, Juri Park, Hye Jin Yoo, Soo Yeon Park, Yun Jeong Lee, Ohk Hyun Ryu, Kye Won Lee, Hee Young Kim, Ji A Seo, Sin Gon Kim, Nan Hee Kim, Kyung Mook Choi, Sei Hyun Baik, Dong Seop Choi; J Korean Endocr Soc. 2007;22(2):135-141. Published online April 1, 2007; DOI: https://doi.org/10.3803/jkes.2007.22.2.135

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Abstract PDF: Two cases of typical acromegaly with empty sella syndrome presented to our institution. In the natural course of untreated pituitary adenoma, empty sella syndrome may result from necrosis by infarction or from hemorrhage of the pituitary gland. In our patients, the secretion of growth hormone continued in spite of the existence of empty sella syndrome. In one case, we confirmed the hypersecretion of growth hormone from sella by jugular vein sampling. Medical therapy with somatostatin analogue was attempted because there was no obvious mass in the sella. After 6~12 months of treatment with long-acting release octreotide, clinical features in our patients were improved, and the level of growth hormone and IGF-1 were also normalized.

Comparison of Target Organ Damages between Primary Aldosteronism and Essential Hypertension.: Juri Park, Dong Jin Kim, Sae Jeong Yang, Sook Hae Kim, Soo Yeon Park, Hye Jin Yoo, Yun Jeong Lee, Hee Young Kim, Ohk Hyun Ryu, Kye Won Lee, Ji A Seo, Sin Gon Kim, Kyung Mook Choi, Sei Hyun Baik, Dong Seop Choi; J Korean Endocr Soc. 2007;22(1):11-18. Published online February 1, 2007; DOI: https://doi.org/10.3803/jkes.2007.22.1.11

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BACKGROUND
A number of recent clinical studies have reported marked target organ damages in patients with primary aldosteronism. The aim of this study was to compare the incidence of target organ damages in patients with primary aldosteronism (PA) and essential hypertension (EHT). METHODS: The clinical records of 41 PA patients, over a 20-year period, were retrospectively analyzed. The clinical characteristics and incidence of target organ damages of 33 of the patients in this group were compared with those of 66 patients with essential hypertension, directly matched for age, gender and mean blood pressure. 8 of the PA patients could not be matched with EHT patients for age, gender and mean blood pressure, so were excluded from the comparison. The patients with essential hypertension were sampled from patients who visited for the evaluation of hypertension. RESULTS: Ischemic heart diseases were found in 18.2 and 10.6% of patients with PA and EHT, respectively (P = 0.22). From echocardiograms, left ventricular hypertrophy was found in 93.3% and 61.4% of patients with PA and EHT, respectively (P = 0.017). The degrees of left ventricular hypertrophy were correlated with the levels of serum aldosterone, with an r value of 0.490 (P < 0.005). Cerebrovascular attack was found in 18.2% and 1.5% of patients with PA and EHT, respectively (P = 0.005). Hypertensive retinopathy was found in 50% and 33.3% of patients with PA and EHT (P = 0.255), and nephropathy was found in 42.4% and 25.8% of patients with PA and EHT, respectively (P = 0.074). CONCLUSION: Patients with primary aldosteronism had target organ damages more frequently than with those with essential hypertension, which was independent of blood pressure.

Citations

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Changes in the clinical manifestations of primary aldosteronism
Sun Hwa Kim, Jae Hee Ahn, Ho Cheol Hong, Hae Yoon Choi, Yoon Jung Kim, Nam Hoon Kim, Hye Jin Yoo, Hee Young Kim, Ji A Seo, Nan Hee Kim, Sin Gon Kim, Kyung Mook Choi, Sei Hyun Baik, Dong Seop Choi
The Korean Journal of Internal Medicine.2014; 29(2): 217. CrossRef
Comparing the Prevalence of Primary Aldosteronism in Hypertensive Diabetic and Non-diabetic Patients
Yi Sun Jang, Koon Soon Kim, Hye Soo Kim
Journal of Korean Endocrine Society.2009; 24(4): 254. CrossRef
Aldosterone as a Cardiovascular Risk Factor
Soon Jib Yoo
Journal of Korean Endocrine Society.2007; 22(1): 8. CrossRef

A Case of Colon Cancer in Mayer-Rokitansky-Kuster-Hauser (MRKH) Syndrome with Gonadal Agenesis.: Jae Youn Park, Seoung Young Kim, Jin Nam Kim, Seo Jung Yang, Ju Ri Park, Bo Sung Kwan, Dong Jin Kim, Kye Won Lee, Kyung Mook Choi, Sei Hyun Baik, Moon Kyoung Joo, Jin Soo Chang; J Korean Endocr Soc. 2006;21(5):414-418. Published online October 1, 2006; DOI: https://doi.org/10.3803/jkes.2006.21.5.414

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Mayer-Rokitansky-Kuster-Hauser (MRKH) syndrome is the second frequent cause of primary amenorrhea. There have been several reports concerning gynecologic disease in MRKH syndrome, but there has been no case about a colon cancer in a patient with this condition. A 43 years old woman, who reported primary amenorrhea with sexual infantilism, was evaluated in our department because of lower abdominal pain: she presented with a suprapubic mass. To evaluate the suprapubic abdominal mass and primary amenorrhea, abdominal MRI, colonoscopy and endocrine tests were done. She had no gynecologic organs, and she finally was diagnosed as having colon cancer with the atypical form of MRKH syndrome (bilateral gonadal agenesis 46 XX). To the best of our knowledge this is the first case concerning primary colon cancer in a patient with MRKH syndrome.

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Long-term follow-up on MURCS (Müllerian duct, renal, cervical somite dysplasia) association and a review of the literature
Sun Kim, Yeong Seok Lee, Dong Hyun Kim, Aram Yang, Tack Lee, Seun Deuk Hwang, Dae Gyu Kwon, Ji Eun Lee
Annals of Pediatric Endocrinology & Metabolism.2019; 24(3): 207. CrossRef

A Case of Sheehan's Syndrome Presenting Central Diabetes Insipidus.: Dong Jin Kim, Nan Hee Kim, Ju Ri Park, Sae Jeong Yang, Hye Suk Kim, Hye Jin Yoo, Soo Yeon Park, Ohk Hyun Ryu, Kye Won Lee, Hee Young Kim, Ji A Seo, Sin Gon Kim, Kyung Mook Choi, Sei Hyun Baik, Dong Seop Choi; J Korean Endocr Soc. 2006;21(4):333-337. Published online August 1, 2006; DOI: https://doi.org/10.3803/jkes.2006.21.4.333

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Abstract PDF: Sheehan's syndrome occurs as a result of ischemic pituitary necrosis due to severe postpartum hemorrhage. The manifestations of this clinical syndrome are most often caused by a deficiency in the hormones produced by the anterior pituitary gland, whereas the neurohypophysis is usually preserved but can be involved in severe cases that manifest as diabetes insipidus. This is a report of Sheehan's syndrome that manifested with diabetes insipidus as presenting symptom 2 month's after delivery. The patient suffered massive bleeding, so received a blood transfusion. A combined pituitary stimulation and water deprivation test revealed deficiencies of not only anterior pituitary hormones, such as growth hormone and prolactin, but also of anti-diuretic hormone. We report this case, with a review of the literature.

A Case of Primary Hyperparathyroidism Caused by Cystic Parathyroid Adenoma, Diagnosed during Intra-Operative PTH Monitoring.: Hye Jin Yoo, Nan Hee Kim, Soo Yeon Park, Dong Jin Kim, Sae Jeung Yang, Ju Ri Park, Hee Young Kim, Ji A Seo, Kye Won Lee, Sin Gon Kim, Kyung Mook Choi, Jae Bok Lee, Young Seok Lee, Sei Hyun Baik, Dong Seop Choi; J Korean Endocr Soc. 2005;20(3):278-282. Published online June 1, 2005; DOI: https://doi.org/10.3803/jkes.2005.20.3.278

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Abstract PDF: Primary hyperparathyroidism is the most frequent cause of hypercalcemia, and its prevalence is increasing due to the routine examination of serum calcium levels. Primary hyperparathyroidims is most commonly caused by an adenoma or hyperplasia of the parathyroid gland. A cystic parathyroid adenoma is an extremely rare cause of primary hyperparathyroidism. In our case, a-79-year old female presented with lower back pain and constipation. Her serum calcium, phosphate and immunoreactive parathyroid homone levels were 15.6, 1.8mg/dL and 371.8pg/mL, respectively. Neck CT revealed a cystic mass and a contour bulging heterogeneous mass in the left inferior right thyroid gland, respectively. These mass lesions were removed, and the intra-operative parathyroid hormone levels monitored, to confirm the complete resection. After removing the left cystic mass to the inferior thyroid, the serum calcium and immunoreactive parathyroid hormone levels quickly returned to normal. We report a case of primary hyperparathyroidism, caused by a cystic parathyroid adenoma, with a brief review of the literature

A Case of Congenital Adrenal Hyperplasia due to 11beta-Hydroxylase Deficiency.: Ohk Hyun Ryu, Hye Jin Yoo, Soo Yeon Park, Soon Beom Kwon, Sang Soo Park, Hee Young Kim, Kye Won Lee, Ji A Seo, Jeong Heon Oh, Sin Gon Kim, Nan Hee Kim, Kyung Mook Choi, Sei Hyun Baik, Dong Seop Choi; J Korean Endocr Soc. 2004;19(1):58-63. Published online February 1, 2004

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Abstract PDF: Congenital adrenal hyperplasia refers to a group of autosomal recessive disorders that is defective in the synthesis of cortisol. The enzymes most often affected are 21-hydroxylase and 11beta hydroxylase. The low levels of cortisol stimulate the pituitary gland to release ACTH. Chronic elevation of the ACTH level causes bilateral adrenal hyperplasia and a secondary increase in androgen formation. We examined a 19 year-old woman presented with clitoral hypertrophy and vaginal spotting. The subjects basal level of serum cortisol was low, but the serum levels of ACTH, 17a-hydroxyprogesterone, deoxy-corticosterone were elevated. The urinary excretions of 17-ketosteroids and 17-hydroxycorticosteroids were also increased. The karyotyping study and transrectal ultrasonography showed normal findings. The patient underwent clitoris reduction surgery and received hydrocortisone. To the best of our knowledge, this is the first case of 11beta-Hydroxylase deficiency in Korea.

A Case of Multiple Endocrine Neoplasia 2A with Germ Line Mutation of RET Gene.: Hee Young Kim, Ji Yeon Lee, Sung Bum Kim, Kye Won Lee, Ji A Seo, Jeong Heon Oh, Sin Gon Kim, Kyung Mook Choi, Sei Hyun Baik, Dong Seop Choi, Nan Hee Kim; J Korean Endocr Soc. 2003;18(5):481-488. Published online October 1, 2003

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Abstract PDF: Multiple endocrine neoplasia 2A (MEN 2A) is an autosomal dominantly inherited disease, composed of medullary thyroid carcinoma, pheochromocytoma and hyperparathyroidism. The activation of germ-line mutations in the RET proto-oncogene are responsible for MEN 2. The analysis of the RET mutations has replaced the measurement of the calcitonin level in the diagnosis of the MEN carrier state. Specific RET codon mutations correlate with the MEN 2 syndromic variant, the age at onset of the medullary thyroid carcinoma (MTC) and the aggressiveness of the MTC. Herein, our experience of a 47-year-old woman, who had a bilateral pheochromocytoma and MTC, and MEN 2A confirmed by the detection of an RET proto-oncogene mutation at axon 10 on codon 618, is reported. Her sister was found to have the same mutant gene. After a total thyroidectomy and bilateral adrenalectomy, the calcitonin and catecholamine levels were normalized, and the patient discharged without problems. This case is reported, with a review of the literature.

A Case of Malignant Pleural Effusion with Pleural Metastasis in a Patient with Papillary Thyroid Carcinoma.: Ju Young Kim, Dae Won Park, Jin O Na, Byoung Yeon Hwang, Dong Lim Kim, Dong Hyun Shin, Sin Gon Kim, Kyung Mook Choi, Sei Hyun Baik, Dong Seop Choi, Sung Jin Cho, Nan Hee Kim; J Korean Endocr Soc. 2002;17(2):269-274. Published online April 1, 2002

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Abstract PDF: Papillary thyroid carcinomas comprise approximately 80 percent of all thyroid cancers, but haves a good prognosis, with overall survival rates at 10 years of about 80 to 95 percent. They spreads through the lymphatic system, and the lung is the most frequent metastasis site. If distant metastasis is present, the overall survival rate is about 40 percent. Although malignant pleural effusion, with pleural metastasis is a rare complication in patients with papillary thyroid carcinoma, the development of malignant pleural effusion is an extremely adverse prognostic indicator. We recently experienced a case of malignant pleural effusion with papillary thyroid carcinoma. A 54-year-old woman was admitted to the hospital because of dyspnea. A chest X-ray showed massive pleural effusion in the right hemithorax. Previously total thyroidectomy, and iodine-131 therapy had been performed, but a local recurrence and pulmonary metastasis developed 5 years later, accompanied by malignant pleural effusion with pleural metastasis. We performed diagnostic thoracentesis, which confirmed a metastatic papillary thyroid carcinoma. This patient was a rare case of paplillary thyroid carcinoma, in which the disease was represented by a rapid deterioration with malignant pleural effusion. So we report this case with a review of the literature.

The Association between CRP and the Metabolic Syndrome in Korean Adults.: Sin Gon Kim, Dong Lim Kim, Dong Hyun Shin, Nan Hee Kim, Kyung Mook Choi, Sei Hyun Baik, Dong Seop Choi; J Korean Endocr Soc. 2002;17(2):226-235. Published online April 1, 2002

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Abstract PDF: BACKGROUND
Metabolic syndrome (MS) is characterized by insulin resistance accompanied by one or more of the following: obesity, hypertension, impaired glucose tolerance, low HDL cholesterol levels, and/or hypertriglyceridemia. However, the precise underlying pathogenic mechanism of MS is not known. Several recent reports have suggested a positive association between components of MS and markers of the acute-phase response, including C-reactive protein (CRP). These results imply that MS is accompanied by an ongoing inflammatory process. The purpose of our study was to evaluate the association between circulating levels of C-reactive protein, a sensitive systemic marker of inflammation, with components of metabolic syndrome in Korean adults. METHODS: A total of 1,461 subjects aged between 20 and 81 years, who visited the Health Management Center at Korea university between November 2000 and February 2001 were studied. We investigated the correlation between CRP levels and components of MS. The components of MS were categorized, and age-sex adjusted mean values of CRP calculated for the categorized components. The BMI was categorized into 5 classes, and the CRP levels examined according to their BMI class. In addition, subjects with a different number of the MS components were grouped as follows: group 1 for 0 components, group 2 for 1 components, group 3 for 2 components and group 4 for > or = 3 components, and the CRP levels calculated for each group. RESULTS: There were significant positive correlations of CRP levels with age, BMI, TG, systolic blood pressure (SBP), diastolic blood pressure (DBP), fasting blood glucose (FBS), uric acid, insulin,and homeostasis model assessment IR (HOMAIR). A significant inverse correlation was observed between CRP levels and serum HDL. From the multivariate analysis, age and BMI were significantly correlated with CRP levels. The means of the CRP for the categorized components of MS were significantly higher in the BMI categories: > or =25 for female/27 for male, TG > or =200 mg/dL, fasting plasma glucose > or =126 mg/dL and blood pressure > or =140/90 mmHg, and the CRP levels by BMI class were: 1.19 (BMI <18.5), 1.54 (BMI 18.5~22.9), 1.59 (BMI 23.0~24.9), 1.77 (BMI 25.0~29.9) and 2.07 (BMI >30.0) mg/L. Furthermore, the increase in the CRP levels in relation to the numbers of MS were 1.46 (group 1), 1.70 (group 2), 1.95 (group 3) and 2.11 mg/L (group 4) with statistical significance. CONCLUSION: The above data showed associations between the CRP levels and the different components of MS. This might suggest that MS in Koreans could be accompanied by a systemic inflammation response

A Case of Afrenocortical Carcinoma Associated with Multiple Paraganglioma.: Kyung Mook Choi, Jeong Heon Oh, Nan Hee Kim, Yong Hyun Kim, Ae Ree Kim, Chul Hwan Kim, Sang Jin Kim, Sei Hyun Baik, Dong Seop Choi; J Korean Endocr Soc. 1999;14(3):599-604. Published online January 1, 2001

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Abstract PDF: Simultaneous oceurrence of adrenocortical tumor and pheochromocytoma is extremely rare. Coexistence of adrenal tumor and pheochromocytoma was first reported by Cope in 1952 and some other cases were reported after that. But there was no report about coexistence of adrenocortical carcinoma and paragangliomas. Recently, we experienced a case of adrenocortical carcinoma associated with multiple paragangliomas. A 35-year-old woman was admitted to the hospital because of left upper abdominal pain. A palm-sized fum tender mass was palpated at left upper quadrant. Hormonal studies revealed pheochromocytomas feature. Fmergency operation was performed because of the possibility of intemal hemorrhage of the tumor. Operator found 10 cm sized mass in left adrenal area and also the other 5 small tumors adjacent to IVC. Pathologic report revealed that adrenal mass was adrenocortical carcinoma with hemorrhagic necrosis and tumors adjacent to IVC were paragangliomas. This patient was the first case of adrenocortical carcinoma with multiple paragangliomas in the world. So we report this case with a review of literature.

A Case of Bilateral Macronodular Adrenocortical Hyperplasia.: Yoon Sang Choi, Soo Mi Kim, Shin Gon Kim, Ie Byung Park, Sei Hyun Baik, Dong Seop Choi, Seung Woon Rha, Dong Hyun Shin; J Korean Endocr Soc. 1996;11(4):523-530. Published online November 7, 2019

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Abstract PDF: Cushing's syndrome associated with nodular adrenal glands will be divided into four main categories: adrenal adenoma, adrenal carcinoma, primary pigmented nodular adrenal dysplasia (PPNAD) and macronodular adrenal hyperplasia(MAH). The term macronodular adrenal hyperplasia is restricted to the presence of multiple nodules visible to the naked eye, ranging in size from 0.5 to 7.0 cm. We report a case of Cushings syndrome caused by bilateral macronodular adrenal hyperplasia (MAH). A 45-year-old man presented with Cushingoid features, hypertension and diabetes mellitus. Urine free cortisol was 449.9 mmol/day(27-276) and were not suppressed after administration of low-dose and high-dose dexamethasone. Plasma ACTH was very low(1.87 pmol/L(18)) and was not stimulated by administration of ovine CRH. In abdominal CT, both adrenal glands were markedly enlarged and nodular in appearance. Pituitary MRI showed no abnormal finding. Bilateral adrenalectomy was done. Histologic examination revealed multiple nodules and internodular hyperplasia. This case and other reports suggested that because of variable biochemical, radiologic and pathologic findings, macronodular adrenal hyperplasia represents a heterogeneous group of patients with varying degrees of adrenal autonomy.

Camprison of Diagnostic and Therapeutic scans in Patients with Differentiated Thyroid Cancer.: Yoon Sang Choi, Soo Mi Kim, Shin Gon Kim, Don Hyun Shin, Ie Byung Park, Sei Hyun Baik, Dong Seop Choi, Jae Myung Yu; J Korean Endocr Soc. 1996;11(4):431-437. Published online November 7, 2019

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Abstract PDF: Background
Whole body scan using 131-iodine is performed to detect local recurrence or metastasis after thyroidectorny in differenciated thyroid cancer patients. The sensitivity of this procedure is related to the dose of radiopharmaceutical administered. It was reported that 131I posttreatment whole body scan demonstrate foci of tracer uptake not previously observed in diagnostic scan in 10~30% of cases. Posttreatment scans were most likely to reveal new foci in young patients(<45) and patients who had previously received radioactive iodine therapy. Method: We observed the frequency of discordant posttreatment scans and analysed the clicnical significance in 33 differenciated thyroid cancer patients who were admitted for radioiodine ablation from June, 1995 to April, 1996. Results: In 7 cases(21.2%), post treatment scan demonstrated cme or more foci of uptake and revealed less sites of uptake than diagnostic scan in 3 cases(9.1%). In one case with elevated thyroglobulin level and negative diagnostic scan, post treatment scan revealed new uptake sites with thyroid bed and cervical 1ymph node. The sites of discordant uptake were cervical lymph nodes in 4 cases and rnediastinal lymph node in one case, lung in one case, thyroid bed and cervical lymph nodes in one case, 3 cases of 7 pts(43%), demonstrated ane or more foci of uptake in post treatment scan, had history of previous radioiodine treatent. Conclusion: Post treatment scan confirmed uptake into remnant and metaststic tissues identified on the corresponding low dose diagnostic scans. Scanning after high dose radioiodine treatment frequently demonstrated one or more foci of uptake, especially in patients with previous radioiodine treatment, which were not visualized on the diagnostic low dose scan. Treatment scan may be useful for detection of remnant tissue or metastatic lesion in patients with elevated thyroglobulin and negative diagnostic scan.

A Case of Isolated ACTH Deficiency.: Sang Jin Kim, Kyung Mook Choi, Sei Hyun Baik, Dong Seop Choi; J Korean Endocr Soc. 1995;10(4):445-450. Published online November 7, 2019

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Abstract PDF: solated ACTH deficiency is a very uncommon cause of hypoadrenocorticism, with less than 200 cases reported in the literatures. The clinical presentation can be similar to that of primary adrenal insufficiency, but there is a greater tendency for hypoglycemia and absence of hyperpigmentation. The diagnosis is established by demonstrating hypocortisolism with undetectable serum levels of ACTH, normal adrenal responsiveness to prolonged ACTH infusion, and an absent ACTH response to insulin-induced hypoglycemia. Other endocrine function is normal.We experienced a case of isolated ACTH deficiency in 34 years old female who was admitted due to fever and drowsy mentality.So we present this case with a review of literatures.

A Clinical Study of 11 Cases of Adrenal Ineidentaloma.: Jae Myung Yoo, Sang Jin Kim, Kyung Mook Choi, Sei Hyun Baik, Dong Seop Choi, Yong Hyun Kim, Eun Jong Lee; J Korean Endocr Soc. 1994;9(4):358-365. Published online November 6, 2019

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Abstract PDF: With the wide application of ultrasonography and CT scanning, the incidental finding of a radiologic abnormality, apparently adrenal origin, has presented a problem for clinical management. The prevalence of these clinically silent tumors has been reported as 0.6 to 1.3% of upper abdominal CT scans performed for other reasons.Once identified, an adrenal lesion must characterized as to its functional status and malignant potential. A thorough approach that initially excludes biochemical hypersecretion, then considers characteristics of anatomy and the functional nature of an adrenal mass, will allow a rational and cost-effective evaluation and management of these lesions.We present out experience of eleven adrenal incidentalomas with a review of literatures.

Changes in Bone Mineral Density in Patients with Sheehan's Syndrome.: Jae Myung Yoo, Sang Jin Kim, Kyung Mook Choi, Sei Hyun Baik, Dong Seop Choi, Eun Jong Lee, Yong Hyun Kim; J Korean Endocr Soc. 1994;9(1):10-17. Published online November 6, 2019

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Abstract PDF: Osteoporosis is a common clinical problem with high risk of fractures in old age, especially postmenopausal women.Secondary causes of osteoporosis can be identified in 20% of women and 40% of men with vertebral fractures. One of the causes of secondary osteoporosis is endocrine disease such as hypogonadism, ovarian agenesis, hyperadrenocorticism, hyperthyroidism, hyperparathyroidism and diabetes mellitus. Patients with Sheehan's syndrome have deficiency of multiple hormones which may cause bone loss.To determine changes in the bone mineral density in women with Sheehan's syndrome and to compare clinical and biochemical characteristics between the patients with osteoporosis and the patients without osteoporosis, we measured the bone mineral density(BMD) of the lumber spine and midradius by dual energy X-ray absortiometry(DEXA) and the serum levels of estrogen and osteocalcin in 11 patients of Sheehan's syndrome.The results were as follows;1) The BMDs of the lumbar spine were significantly decreased in patients with Sheehan's syndrome when compared with those of age-matched control.2) The prevalence of osteoporosis in patients with Sheehan's syndromes was 55%. Between the patients with osteoporosis and the patients without osteoporosis, there were no difference in the onset age of amenorrhea, the duration of amenorrhea, and the serum levels of osteocalcin and alkaline phosphatase.3) Serum estradiol levels were decreased uniformly in the patients with Sheehan's syndrome except three patients with estrogen replacement, but the concentration of estradiol was not correlated with the degree of the decrease in bone mass.In conclusion, the patients with Sheehan's syndrome have an increased prevalence of osteoporosis. But the effect of each anterior pituitary hormone deficiency on bone loss should be clarified in the futher prospective study.

A case of symptomatic rathke's cleft cyst.: Yong Hyun Kim, Eun Jong Lee, Sang Jin Kim, Jae Myung Yoo, Sei Hyun Baik, Dong Seop Choi; J Korean Endocr Soc. 1993;8(1):94-99. Published online January 1, 2001

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Abstract PDF: No abstract available.

A case of lingual thyroid with euthyroidism.: Sin Hyung Lee, Yong Hyun Kim, Eun Jong Lee, Sang Jin Kim, Jae Myung Yu, Sei Hyun Baik, Dong Seop Choi; J Korean Endocr Soc. 1992;7(3):300-304. Published online January 1, 2001

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Abstract PDF: No abstract available.

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