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Tae Hyuk Kim  (Kim TH) 12 Articles
Thyroid
Adequate Dose of Levothyroxine for Thyroid-Stimulating Hormone Suppression after Total Thyroidectomy in Patients with Differentiated Thyroid Cancer
Hyun Jin Ryu, Min Sun Choi, Hyunju Park, Tae Hyuk Kim, Jae Hoon Chung, So Young Park, Sun Wook Kim
Endocrinol Metab. 2024;39(4):615-621.   Published online August 7, 2024
DOI: https://doi.org/10.3803/EnM.2023.1896
  • 1,579 View
  • 79 Download
  • 1 Web of Science
  • 1 Crossref
AbstractAbstract PDFPubReader   ePub   
Background
The adequate dose of levothyroxine (LT4) for patients who have undergone total thyroidectomy (TT) for differentiated thyroid cancer (DTC) is uncertain. We evaluated the LT4 dose required to achieve mild thyroid-stimulating hormone (TSH) suppression in DTC patients after TT.
Methods
The electronic medical records of patients who underwent TT for DTC and received mild TSH suppression therapy were reviewed. Linear regression analysis was performed to evaluate the association between LT4 dose (μg/kg) and an ordinal group divided by body mass index (BMI). We also evaluated the trend in LT4 doses among groups divided by BMI and age.
Results
In total, 123 patients achieved mild TSH suppression (0.1 to 0.5 mIU/L). The BMI variable was divided into three categories: <23 kg/m2 (n=46), ≥23 and <25 kg/m2 (n=30), and ≥25 kg/m2 (n=47). In the linear regression analysis, BMI was negatively associated with the LT4 dose after adjusting for age and sex (P<0.001). The LT4 doses required to achieve mild TSH suppression based on the BMI categories were 1.86, 1.71, and 1.71 μg/kg, respectively (P for trend <0.001). Further analysis with groups divided by age and BMI revealed that a higher BMI was related to a lower LT4 dose, especially in younger patients aged 20 to 39 (P for trend=0.011).
Conclusion
The study results suggest an appropriate LT4 dose for mild TSH suppression after TT based on body weight in patients with DTC. Considering body weight, BMI, and age in estimating LT4 doses might help to achieve the target TSH level promptly.

Citations

Citations to this article as recorded by  
  • Levothyroxine Dosing for Thyroid-Stimulating Hormone Suppression in Patients with Differentiated Thyroid Cancer after Total Thyroidectomy
    Mijin Kim
    Endocrinology and Metabolism.2024; 39(4): 576.     CrossRef
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Thyroid
Clinical Manifestations of Malignant Struma Ovarii: A Retrospective Case Series in a Tertiary Hospital in Korea
Hyun Jin Ryu, Da Eun Leem, Ji Hyun Yoo, Tae Hyuk Kim, Sun Wook Kim, Jae Hoon Chung
Endocrinol Metab. 2024;39(3):461-467.   Published online May 9, 2024
DOI: https://doi.org/10.3803/EnM.2023.1863
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  • 1 Web of Science
  • 1 Crossref
AbstractAbstract PDFPubReader   ePub   
Background
Malignant struma ovarii (MSO) is a very rare disease in which thyroid cancer originates from the ovary. Because it is rare for endocrinologists to encounter patients with MSO, endocrinologists may have a limited understanding of the disease. Therefore, we analyzed and introduced its incidence and clinical course in a tertiary hospital in Korea.
Methods
We retrospectively investigated the clinical data of 170 patients who underwent surgery for struma ovarii at the Department of Obstetrics and Gynecology of Samsung Medical Center from 1994 to May 2023.
Results
Among 170 patients with struma ovarii, 15 (8.8%) were diagnosed with MSO. The median age of patients with MSO was 48 years (range, 30 to 74), and the median tumor size was 3.3 cm (range, 0.5 to 11.0). Papillary thyroid carcinoma (46.7%) was the most common subtypes followed by follicular thyroid carcinoma (26.7%). All patients were diagnosed after surgery, with no predictions from preoperative imaging. The surgical extent of gynecological surgery was variable. Four patients (26.7%) underwent thyroidectomy for thyroid cancer, while one underwent total thyroidectomy and radioactive iodine therapy for MSO with peritoneal metastasis. Except for one patient who underwent hemithyroidectomy, thyroid stimulating hormone suppression therapy was performed in four patients. Only 53% of MSO patients were consulted by an endocrinologist. With a median follow-up period of 33 months (range, 4 to 156), 11 patients remained disease-free, one experienced progression with peritoneal seeding, and the remaining one was in treatment. There have been no recurrences or deaths due to MSO.
Conclusion
An endocrinologist should be involved in establishing a therapeutic plan for MSO, for which the overall prognosis is generally favorable.

Citations

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  • Diagnostic Value of Nuclear Hybrid Imaging in Malignant Struma Ovarii: A Systematic Review of Case Reports
    Claudiu Peștean, Doina Piciu
    Diagnostics.2024; 14(23): 2630.     CrossRef
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Thyroid
Identification of Mutations in the Thyroxine-Binding Globulin (TBG) Gene in Patients with TBG Deficiency in Korea
Jung Heo, Sang-Mi Kim, Hyun Jin Ryu, Hyunju Park, Tae Hyuk Kim, Jae Hoon Chung, Hyung-Doo Park, Sun Wook Kim
Endocrinol Metab. 2022;37(6):870-878.   Published online December 7, 2022
DOI: https://doi.org/10.3803/EnM.2022.1591
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  • 1 Web of Science
  • 1 Crossref
AbstractAbstract PDFSupplementary MaterialPubReader   ePub   
Background
Thyroxine-binding globulin (TBG) is a major transporter protein for thyroid hormones. The serpin family A member 7 (SERPINA7) gene codes for TBG, and mutations of the SERPINA7 gene result in TBG deficiency. Although more than 40 mutations have been reported in several countries, only a few studies of TBG deficiency and SERPINA7 gene mutation have been performed in Korea. The aim of this study is to review the clinical presentations and laboratory findings of patients with TBG deficiency and to investigate the types of SERPINA7 gene mutation.
Methods
Five unrelated Korean adults with TBG deficiency attending endocrinology clinic underwent SERPINA7 gene sequencing. Four patients harbored a SERPINA7 gene mutation. Serum thyroid hormones, anti-microsomal antibodies, and TBG were measured. Genomic DNA was extracted from whole blood. All exons and intron-exon boundaries of the TBG gene were amplified and sequencing was performed.
Results
Two patients were heterozygous females, and the other two were hemizygous males. One heterozygous female had coexisting hypothyroidism. The other heterozygous female was erroneously prescribed levothyroxine at a local clinic. One hemizygous male harbored a novel mutation, p.Phe269Cysfs*18, which caused TBG partial deficiency. Three patients had the p.Leu372Phefs*23 mutation, which is known as TBG-complete deficiency Japan (TBG-CDJ) and was also presented in previous mutation analyses in Korea.
Conclusion
This study presents four patients diagnosed with TBG deficiency and provides the results of SERPINA7 gene sequencing. One novel mutation, p.Phe269Cysfs*18, causing TBD-partial deficiency and three cases of TBG-CDJ were demonstrated. It is necessary to identify TBG deficiency to prevent improper treatment. Also, sequencing of the SERPINA7 gene would provide valuable information about the TBG variants in Korea.

Citations

Citations to this article as recorded by  
  • Development and basic performance verification of a rapid homogeneous bioassay for agonistic antibodies against the thyroid-stimulating hormone receptor
    Motoki Hoshina, Shiomi Ojima, Atsushi Kawasaki, Kosuke Doi, Satoshi Ohta, Asuka Inoue, Hiroshi Murayama
    Journal of Immunological Methods.2024; 528: 113655.     CrossRef
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Thyroid
Frequency of TERT Promoter Mutations in Real-World Analysis of 2,092 Thyroid Carcinoma Patients
Heera Yang, Hyunju Park, Hyun Jin Ryu, Jung Heo, Jung-Sun Kim, Young Lyun Oh, Jun-Ho Choe, Jung Han Kim, Jee Soo Kim, Hye Won Jang, Tae Hyuk Kim, Sun Wook Kim, Jae Hoon Chung
Endocrinol Metab. 2022;37(4):652-663.   Published online July 22, 2022
DOI: https://doi.org/10.3803/EnM.2022.1477
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  • 14 Web of Science
  • 20 Crossref
AbstractAbstract PDFSupplementary MaterialPubReader   ePub   
Background
Telomerase reverse transcriptase (TERT) promoter mutations are associated with increased recurrence and mortality in patients with thyroid carcinoma. Previous studies on TERT promoter mutations were retrospectively conducted on a limited number of patients.
Methods
We prospectively collected data on all consecutive patients who underwent thyroid carcinoma surgery between January 2019 and December 2020 at the Samsung Medical Center, Seoul, Korea. We included 2,092 patients with thyroid carcinoma.
Results
Of 2,092 patients, 72 patients (3.4%) had TERT promoter mutations. However, the frequency of TERT promoter mutations was 0.5% in papillary thyroid microcarcinoma (PTMC) ≤1 cm and it was 5.8% in papillary thyroid carcinoma (PTC) >1 cm. The frequency of TERT promoter mutations was significantly associated with older age at diagnosis (odds ratio [OR], 1.12; P<0.001), larger primary tumor size (OR, 2.02; P<0.001), and aggressive histological type (OR, 7.78 in follicular thyroid carcinoma; OR, 10.33 in poorly differentiated thyroid carcinoma; OR, 45.92 in anaplastic thyroid carcinoma; P<0.001). Advanced T stage, advanced N stage, and distant metastasis at diagnosis were highly prevalent in mutated thyroid cancers. However, initial distant metastasis was not present in patients with TERT promoter mutations in PTMC. Although the C228T mutation was more highly detected than the C250T mutation (64 cases vs. 7 cases), there were no significant clinicopathological differences.
Conclusion
This study is the first attempt to investigate the frequency of TERT promoter mutations in a real-world setting. The frequency of TERT promoter mutations in PTC was lower than expected, and in PTMC, young patients, and female patients, the frequency was very low.

Citations

Citations to this article as recorded by  
  • TERT Promoter Mutations Frequency Across Race, Sex, and Cancer Type
    Talal El Zarif, Marc Machaalani, Rashad Nawfal, Amin H Nassar, Wanling Xie, Toni K Choueiri, Mark Pomerantz
    The Oncologist.2024; 29(1): 8.     CrossRef
  • Gene mutations as predictors of central lymph mode metastasis in cN0 PTC: A meta‐analysis
    Jiaqi Ji, Xinlong Shi
    Clinical Genetics.2024; 105(2): 130.     CrossRef
  • Risk stratification by combining common genetic mutations and TERT promoter methylation in papillary thyroid cancer
    Ye Sang, Guanghui Hu, Junyu Xue, Mengke Chen, Shubin Hong, Rengyun Liu
    Endocrine.2024; 85(1): 304.     CrossRef
  • Shortened telomere length in peripheral blood leukocytes is associated with cumulative radioactive iodine doses in patients with differentiated thyroid carcinoma
    Hoonsung Choi, Sun Wook Cho, Hwan Hee Kim, Ka Hee Yi, Do Joon Park, Young Joo Park
    Cancer.2024; 130(12): 2215.     CrossRef
  • 2023 Update of the Korean Thyroid Association Guidelines for the Management of Thyroid Nodules
    Eun Kyung Lee, Young Joo Park
    Clinical Thyroidology®.2024; 36(4): 153.     CrossRef
  • Korean Thyroid Association Guidelines on the Management of Differentiated Thyroid Cancers; Part I. Initial Management of Differentiated Thyroid Cancers - Chapter 5. Evaluation of Recurrence Risk Postoperatively and Initial Risk Stratification in Different
    Eun Kyung Lee, Young Shin Song, Ho-Cheol Kang, Sun Wook Kim, Dong Gyu Na, Shin Je Moon, Dong-Jun Lim, Kyong Yeun Jung, Yun Jae Chung, Chan Kwon Jung, Young Joo Park
    International Journal of Thyroidology.2024; 17(1): 68.     CrossRef
  • Korean Thyroid Association Management Guidelines for Patients with Thyroid Nodules 2024
    Young Joo Park, Eun Kyung Lee, Young Shin Song, Su Hwan Kang, Bon Seok Koo, Sun Wook Kim, Dong Gyu Na, Seung-Kuk Baek, So Won Oh, Min Kyoung Lee, Sang-Woo Lee, Young Ah Lee, Yong Sang Lee, Ji Ye Lee, Dong-Jun Lim, Leehi Joo, Yuh-Seog Jung, Chan Kwon Jung,
    International Journal of Thyroidology.2024; 17(1): 208.     CrossRef
  • Predictive biomarkers in thyroid cancer in the current molecular-morphology paradigm
    Humberto Carvalho Carneiro, Rodrigo de Andrade Natal, Evelin Cavalcante Farias, Aline Almeida Bastos, Leila Guastapaglia, Alanna Mara Pinheiro Sobreira Bezerra, Ana Amélia Fialho de Oliveira Hoff
    Surgical and Experimental Pathology.2024;[Epub]     CrossRef
  • Catching the Silent Culprits: TERT Promoter Mutation Screening of Minimally Invasive Follicular and Oncocytic Thyroid Carcinoma in Clinical Practice
    L. Samuel Hellgren, Adam Stenman, Kenbugul Jatta, Vincenzo Condello, Catharina Larsson, Jan Zedenius, C. Christofer Juhlin
    Endocrine Pathology.2024;[Epub]     CrossRef
  • Prognostication with Thyroid GuidePx in the context of tall cell variants
    Steven Craig, Cynthia Stretch, Caitlin Yeo, Jeremy Fan, Haley Pedersen, Young Joo Park, Adrian Harvey, Oliver F. Bathe
    Surgery.2024; : 108882.     CrossRef
  • Association Between Gross Features and Coexistence of BRAFV600E and TERT Promoter Mutations in Papillary Thyroid Carcinomas: A Combined Analysis Incorporating Clinicopathologic Features
    Thi Ngoc Anh Nguyen, Van Phu Thang Nguyen, Hirokazu Kurohama, Yuko Akazawa, Katsuya Matsuda, Zhanna Mussazhanova, Yuki Matsuoka, Kenichi Yokota, Shinya Satoh, Hiroyuki Yamashita, Thi Nhung Nguyen, Yerkerzhan Sailaubekova, Masahiro Nakashima
    Thyroid®.2024;[Epub]     CrossRef
  • Are TERT Promoter Mutations a Poor Prognostic Factor in Anaplastic Thyroid Carcinoma?
    Hyun Jin Ryu, Young Lyun Oh, Jung Heo, Hyunju Park, Tae Hyuk Kim, Sun Wook Kim, Jae Hoon Chung
    International Journal of Thyroidology.2024; 17(2): 286.     CrossRef
  • Deciphering the Functions of Telomerase Reverse Transcriptase in Head and Neck Cancer
    Tsung-Jang Yeh, Chi-Wen Luo, Jeng-Shiun Du, Chien-Tzu Huang, Min-Hung Wang, Tzer-Ming Chuang, Yuh-Ching Gau, Shih-Feng Cho, Yi-Chang Liu, Hui-Hua Hsiao, Li-Tzong Chen, Mei-Ren Pan, Hui-Ching Wang, Sin-Hua Moi
    Biomedicines.2023; 11(3): 691.     CrossRef
  • 2023 Korean Thyroid Association Management Guidelines for Patients with Thyroid Nodules
    Young Joo Park, Eun Kyung Lee, Young Shin Song, Soo Hwan Kang, Bon Seok Koo, Sun Wook Kim, Dong Gyu Na, Seung-Kuk Baek, So Won Oh, Min Kyoung Lee, Sang-Woo Lee, Young Ah Lee, Yong Sang Lee, Ji Ye Lee, Dong-Jun Lim, Leehi Joo, Yuh-Seog Jung, Chan Kwon Jung
    International Journal of Thyroidology.2023; 16(1): 1.     CrossRef
  • Thyroid Cancer, Iodine, and Gene Mutation
    Jae Hoon Chung
    International Journal of Thyroidology.2023; 16(1): 89.     CrossRef
  • Mortality rate and causes of death in papillary thyroid microcarcinoma
    Jung Heo, Hyun Jin Ryu, Hyunju Park, Tae Hyuk Kim, Sun Wook Kim, Young Lyun Oh, Jae Hoon Chung
    Endocrine.2023; 83(3): 671.     CrossRef
  • TERT promoter mutations in thyroid cancer
    Michiko Matsuse, Norisato Mitsutake
    Endocrine Journal.2023; 70(11): 1035.     CrossRef
  • TERT Promoter and BRAF V600E Mutations in Papillary Thyroid Cancer: A Single-Institution Experience in Korea
    Min Jhi Kim, Jin Kyong Kim, Gi Jeong Kim, Sang-Wook Kang, Jandee Lee, Jong Ju Jeong, Woong Youn Chung, Daham Kim, Kee-Hyun Nam
    Cancers.2022; 14(19): 4928.     CrossRef
  • Frequency of TERT Promoter Mutations in Real-World Analysis of 2,092 Thyroid Carcinoma Patients (Endocrinol Metab 2022;37:652-63, Heera Yang et al.)
    Hyunju Park, Jae Hoon Chung
    Endocrinology and Metabolism.2022; 37(6): 949.     CrossRef
  • Frequency of TERT Promoter Mutations in Real-World Analysis of 2,092 Thyroid Carcinoma Patients (Endocrinol Metab 2022;37:652-63, Heera Yang et al.)
    Sue Youn Kim, Chan Kwon Jung
    Endocrinology and Metabolism.2022; 37(6): 947.     CrossRef
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Calcium & Bone Metabolism
Bone Mineral Density Screening Interval and Transition to Osteoporosis in Asian Women
Hyunju Park, Heera Yang, Jung Heo, Hye Won Jang, Jae Hoon Chung, Tae Hyuk Kim, Yong-Ki Min, Sun Wook Kim
Endocrinol Metab. 2022;37(3):506-512.   Published online June 9, 2022
DOI: https://doi.org/10.3803/EnM.2022.1429
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  • 3 Web of Science
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AbstractAbstract PDFPubReader   ePub   
Background
Bone mineral density (BMD) testing is indicated for women aged 65 years, but screening strategies for osteoporosis are controversial. Currently, there is no study focusing on the BMD testing interval in Asian populations. The current study aimed to evaluate the estimated time interval for screening osteoporosis.
Methods
We conducted a study of 6,385 subjects aged 50 years and older who underwent dual-energy X-ray absorptiometry screening more than twice at Samsung Medical Center as participants in a routine health checkup. Subjects were divided based on baseline T-score into mild osteopenia (T-score, <–1.0 to >–1.5), moderate osteopenia (T-score, ≤–1.5 to >–2.0), and severe osteopenia (T-score, ≤–2.0 to >–2.5). Information about personal medical and social history was collected by a structured questionnaire.
Results
The adjusted estimated BMD testing interval for 10% of the subjects to develop osteoporosis was 13.2 years in mild osteopenia, 5.0 years in moderate osteopenia, and 1.5 years in severe osteopenia.
Conclusion
Our study provides extended information about BMD screening intervals in Asian female population. Baseline T-score was important for predicting BMD screening interval, and repeat BMD testing within 5 years might not be necessary in mild osteopenia subjects.

Citations

Citations to this article as recorded by  
  • A randomized controlled trial of the effect of raloxifene plus cholecalciferol versus cholecalciferol alone on bone mineral density in postmenopausal women with osteopenia
    Sungjae Shin, Namki Hong, Yumie Rhee
    JBMR Plus.2024;[Epub]     CrossRef
  • Divergent associations of inflammatory markers with bone turnover markers in elderly patients with osteoporotic fractures
    Jian Xu, Yue-qin Guo, Shao-han Guo, Min-zhe Xu, Chong Li, Ya-qin Gong, Ke Lu
    Scientific Reports.2024;[Epub]     CrossRef
  • Effects of Bazedoxifene/Vitamin D Combination Therapy on Serum Vitamin D Levels and Bone Turnover Markers in Postmenopausal Women with Osteopenia: A Randomized Controlled Trial
    Chaiho Jeong, Jeonghoon Ha, Jun-Il Yoo, Young-Kyun Lee, Jung Hee Kim, Yong-Chan Ha, Yong-Ki Min, Dong-Won Byun, Ki-Hyun Baek, Ho Yeon Chung
    Journal of Bone Metabolism.2023; 30(2): 189.     CrossRef
  • Bone-modifying agents for non–small-cell lung cancer patients with bone metastases during the era of immune checkpoint inhibitors: A narrative review
    Jinyoung Kim, Chaiho Jeong, Jeongmin Lee, Jeonghoon Ha, Ki-Hyun Baek, Seohyun Kim, Tai Joon An, Chan Kwon Park, Hyoung Kyu Yoon, Jeong Uk Lim
    Seminars in Oncology.2023; 50(3-5): 105.     CrossRef
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Thyroid
Big Data Articles (National Health Insurance Service Database)
Graves’ Disease and the Risk of End-Stage Renal Disease: A Korean Population-Based Study
Yoon Young Cho, Bongseong Kim, Dong Wook Shin, Hye Ryoun Jang, Bo-Yeon Kim, Chan-Hee Jung, Jae Hyeon Kim, Sun Wook Kim, Jae Hoon Chung, Kyungdo Han, Tae Hyuk Kim
Endocrinol Metab. 2022;37(2):281-289.   Published online April 6, 2022
DOI: https://doi.org/10.3803/EnM.2021.1333
  • 5,618 View
  • 142 Download
  • 2 Web of Science
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AbstractAbstract PDFPubReader   ePub   
Background
Hyperthyroidism is associated with an increased glomerular filtration rate (GFR) in the hyperdynamic state, which is reversible after restoring euthyroidism. However, long-term follow-up of renal dysfunction in patients with hyperthyroidism has not been performed.
Methods
This was a retrospective cohort study using the Korean National Health Insurance database and biannual health checkup data. We included 41,778 Graves’ disease (GD) patients and 41,778 healthy controls, matched by age and sex. The incidences of end-stage renal disease (ESRD) were calculated in GD patients and controls. The cumulative dose and duration of antithyroid drugs (ATDs) were calculated for each patient and categorized into the highest, middle, and lowest tertiles.
Results
Among 41,778 GD patients, 55 ESRD cases occurred during 268,552 person-years of follow-up. Relative to the controls, regardless of smoking, drinking, or comorbidities, including chronic kidney disease, GD patients had a 47% lower risk of developing ESRD (hazard ratio [HR], 0.53; 95% confidence interval [CI], 0.37 to 0.76). In particular, GD patients with a higher baseline GFR (≥90 mL/min/1.73 m2; HR, 0.33; 95% CI, 0.11 to 0.99), longer treatment duration (>33 months; HR, 0.31; 95% CI, 0.17 to 0.58) or higher cumulative dose (>16,463 mg; HR, 0.29; 95% CI, 0.15 to 0.57) of ATDs had a significantly reduced risk of ESRD.
Conclusion
This was the first epidemiological study on the effect of GD on ESRD, and we demonstrated that GD population had a reduced risk for developing ESRD.

Citations

Citations to this article as recorded by  
  • Renal function changes in patients with subclinical hyperthyroidism: a novel postulated mechanism
    Magdy Mohamed Allam, Hanaa Tarek El-Zawawy, Tarek Hussein El-Zawawy
    Endocrine.2023; 82(1): 78.     CrossRef
  • Effect of Hyperthyroidism on Preventing Renal Insufficiency
    Tae Yong Kim
    Endocrinology and Metabolism.2022; 37(2): 220.     CrossRef
  • Effects and Clinical Value of Peritoneal Dialysis on Water and Water Balance, Adverse Reactions, Quality of Life, and Clinical Prognosis in Patients with Decompensated Chronic Nephropathy: A Systematic Review and Meta-Analysis
    Xichao Wang, Miaomiao Zhang, Na Sun, Wenxiu Chang, Gang Chen
    Computational and Mathematical Methods in Medicine.2022; 2022: 1.     CrossRef
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Thyroid
Prognosis of Differentiated Thyroid Carcinoma with Initial Distant Metastasis: A Multicenter Study in Korea
Hosu Kim, Hye In Kim, Sun Wook Kim, Jaehoon Jung, Min Ji Jeon, Won Gu Kim, Tae Yong Kim, Hee Kyung Kim, Ho-Cheol Kang, Ji Min Han, Yoon Young Cho, Tae Hyuk Kim, Jae Hoon Chung
Endocrinol Metab. 2018;33(2):287-295.   Published online June 21, 2018
DOI: https://doi.org/10.3803/EnM.2018.33.2.287
  • 6,450 View
  • 74 Download
  • 32 Web of Science
  • 28 Crossref
AbstractAbstract PDFPubReader   ePub   
Background

Most patients with differentiated thyroid cancer (DTC) have a favorable prognosis. However, patients with DTC and initial distant metastasis have not been commonly found, and their clinical characteristics have seldom been reported. In this study, we analyzed the clinical features and prognosis of patients with DTC and initial distant metastasis in Korea.

Methods

We retrospectively reviewed the clinical data of 242 patients with DTC and initial distant metastasis treated from 1994 to 2013, collected from five tertiary hospitals in Korea.

Results

The patients' median age was 51 years, and 65% were women. They were followed for a median of 7 years. Lung was the most common site of distant metastasis: only lung 149 patients (62%), only bone 49 (20%), other single site one (pleura), and combined sites 43 (40 were lung and bone, two were bone and other site, and one was lung and other site). At the time of diagnosis, 50 patients (21%) had non-radioactive iodine (RAI) avidity. Five-year disease-specific survival (DSS) was 85% and 10-year DSS was 68%, which were better than those in previous studies. After multivariate analysis, old age, male sex, metastatic site, and histologic type (follicular type) were significant factors for poor prognosis. However, negative RAI avidity status was not a significant prognostic factor after adjusting for other variables.

Conclusion

The prognosis of Korean patients with DTC and initial distant metastasis was better than in previous studies. Old age, male sex, metastasis site, and histologic type were significant prognostic factors.

Citations

Citations to this article as recorded by  
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    Tingyu Gu, Zhihong Zhao, Yuanyuan Shi, Zhenhua Sun, Yao Wang, Zhiyuan He, Kun Wang
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    Luca Giovanella, Murat Tuncel, Atena Aghaee, Alfredo Campenni, Armando De Virgilio, Petra Petranović Ovčariček
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    Petra Petranović Ovčariček, Alfredo Campenni, Bart de Keizer, Desiree Deandreis, Michael C. Kreissl, Alexis Vrachimis, Murat Tuncel, Luca Giovanella
    Cancers.2023; 15(17): 4290.     CrossRef
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    Taeho Ha, Wooil Kim, Jaehyung Cha, Young Hen Lee, Hyung Suk Seo, So Young Park, Nan Hee Kim, Sung Ho Hwang, Hwan Seok Yong, Yu-Whan Oh, Eun-Young Kang, Cherry Kim
    European Radiology.2022; 32(3): 1902.     CrossRef
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    Hsi-Chen Tsai, Kung-Chu Ho, Shih-Hsin Chen, Jing-Ren Tseng, Lan-Yan Yang, Kun-Ju Lin, Ju-Chin Cheng, Miaw-Jene Liou
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    Mohammed Yousef Alyousef, Mohammed Khaled Ghandour, Mohammed Al-Mohawes, Mosaad Alnwaisir, Tahera Islam, Khalid Al Qahtani
    Cureus.2022;[Epub]     CrossRef
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    Pınar Celepli, İrem Bigat, Sefika Karabulut, Salih Celepli, Sema Hücümenoğlu
    Annals of Diagnostic Pathology.2022; 59: 151973.     CrossRef
  • Clinical study of ultrasonic evaluation of T/N staging of differentiated thyroid carcinoma using AJCC 8th staging criteria
    Yu Liang, Xingxiang Huang, Zhe Song, Yang Yang, Ju Lei, Mei Ren, Li Tan, Hui Zhang, Francis Moore
    PLOS ONE.2022; 17(6): e0269994.     CrossRef
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    Claudio Spinelli, Beatrice Sanna, Marco Ghionzoli, Elisabetta Micelli
    World Journal of Obstetrics and Gynecology.2022; 11(3): 33.     CrossRef
  • Initial clinical and treatment patterns of advanced differentiated thyroid cancer: ERUDIT study
    Juan Antonio Vallejo Casas, Marcel Sambo, Carlos López López, Manuel Durán-Poveda, Julio Rodríguez-Villanueva García, Rita Joana Santos, Marta Llanos, Elena Navarro-González, Javier Aller, Virginia Pubul, Sonsoles Guadalix, Guillermo Crespo, Cintia Gonzál
    European Thyroid Journal.2022;[Epub]     CrossRef
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    Joonseon Park, Kwangsoon Kim, Dong-Jun Lim, Ja Seong Bae, Jeong Soo Kim
    Scientific Reports.2021;[Epub]     CrossRef
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    Evert F S van Velsen, Merel T Stegenga, Folkert J van Kemenade, Boen L R Kam, Tessa M van Ginhoven, W Edward Visser, Robin P Peeters
    The Journal of Clinical Endocrinology & Metabolism.2020; 105(3): e457.     CrossRef
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    Dayeong Hong, Sangwook Lee, Taehun Kim, Jung Hwan Baek, Won Woong Kim, Ki‐Wook Chung, Namkug Kim, Tae‐Yon Sung
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Close layer
Clinical Study
Disease-Specific Mortality of Differentiated Thyroid Cancer Patients in Korea: A Multicenter Cohort Study
Min Ji Jeon, Won Gu Kim, Tae Hyuk Kim, Hee Kyung Kim, Bo Hyun Kim, Hyon-Seung Yi, Eun Sook Kim, Hosu Kim, Young Nam Kim, Eun Heui Kim, Tae Yong Kim, Sun Wook Kim, Ho-Cheol Kang, Jae Hoon Chung, Young Kee Shong, Won Bae Kim
Endocrinol Metab. 2017;32(4):434-441.   Published online November 22, 2017
DOI: https://doi.org/10.3803/EnM.2017.32.4.434
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AbstractAbstract PDFSupplementary MaterialPubReader   
Background

Little is known regarding disease-specific mortality of differentiated thyroid cancer (DTC) patients and its risk factors in Korea.

Methods

We retrospectively reviewed a large multi-center cohort of thyroid cancer from six Korean hospitals and included 8,058 DTC patients who underwent initial surgery between 1996 and 2005.

Results

Mean age of patients at diagnosis was 46.2±12.3 years; 87% were females. Most patients had papillary thyroid cancer (PTC; 97%) and underwent total thyroidectomy (85%). Mean size of the primary tumor was 1.6±1.0 cm. Approximately 40% of patients had cervical lymph node (LN) metastases and 1.3% had synchronous distant metastases. During 11.3 years of follow-up, 150 disease-specific mortalities (1.9%) occurred; the 10-year disease-specific survival (DSS) rate was 98%. According to the year of diagnosis, the number of disease-specific mortality was not different. However, the rate of disease-specific mortality decreased during the study period (from 7.7% to 0.7%). Older age (≥45 years) at diagnosis, male, follicular thyroid cancer (FTC) versus PTC, larger tumor size (>2 cm), presence of extrathyroidal extension (ETE), lateral cervical LN metastasis, distant metastasis and tumor node metastasis (TNM) stage were independent risk factors of disease-specific mortality of DTC patients.

Conclusion

The rate of disease-specific mortality of Korean DTC patients was 1.9%; the 10-year DSS rate was 98% during 1996 to 2005. Older age at diagnosis, male, FTC, larger tumor size, presence of ETE, lateral cervical LN metastasis, distant metastasis, and TNM stages were significant risk factors of disease-specific mortality of Korean DTC patients.

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Thyroid
The Frequency and Clinical Implications of the BRAFV600E Mutation in Papillary Thyroid Cancer Patients in Korea Over the Past Two Decades
A Ram Hong, Jung Ah Lim, Tae Hyuk Kim, Hoon Sung Choi, Won Sang Yoo, Hye Sook Min, Jae Kyung Won, Kyu Eun Lee, Kyeong Cheon Jung, Do Joon Park, Young Joo Park
Endocrinol Metab. 2014;29(4):505-513.   Published online December 29, 2014
DOI: https://doi.org/10.3803/EnM.2014.29.4.505
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AbstractAbstract PDFPubReader   
Background

Over the past several decades, there has been a rapid worldwide increase in the prevalence of papillary thyroid cancer (PTC) as well as a number of changes in the clinicopathological characteristics of this disease. BRAFV600E, which is a mutation of the proto-oncogene BRAF, has become the most frequent genetic mutation associated with PTC, particularly in Korea. Thus, the present study investigated whether the prevalence of the BRAFV600E mutation has increased over the past two decades in the Korean population and whether various PTC-related clinicopathological characteristics have changed.

Methods

The present study included 2,624 patients who underwent a thyroidectomy for PTC during two preselected periods; 1995 to 2003 and 2009 to 2012. The BRAFV600E mutation status of each patient was confirmed using the polymerase chain reaction-restriction fragment length polymorphism method or by the direct sequencing of DNA.

Results

The prevalence of the BRAFV600E mutation in Korean PTC patients increased from 62.2% to 73.7% (P=0.001) over the last two decades. Additionally, there was a greater degree of extrathyroidal extension (ETE) and lymph node metastasis in 2009 to 2012 patients with the BRAFV600E mutation and a higher frequency of thyroiditis and follicular variant-PTC in 2009 to 2012 patients with wild-type BRAF. However, only the frequency of ETE was significantly higher in 1995 to 2003 patients with the BRAFV600E mutation (P=0.047). Long-term recurrence rates during a 10-year median follow-up did not differ based on BRAFV600E mutation status.

Conclusion

The BRAFV600E mutation rate in Korean PTC patients has been persistently high (approximately 70%) over the past two decades and continues to increase. The present findings demonstrate that BRAFV600E-positive PTC was associated with more aggressive clinicopathological features, especially in patients who were recently diagnosed, suggesting that BRAFV600E mutation status may be a useful prognostic factor for PTC in patients recently diagnosed with this disease.

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    Thyroid.2016; 26(5): 683.     CrossRef
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    Brendon Mitchell, Jagdish K. Dhingra, Meera Mahalingam
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    Hyemi Kwon, Won Gu Kim, Markus Eszlinger, Ralf Paschke, Dong Eun Song, Mijin Kim, Suyeon Park, Min Ji Jeon, Tae Yong Kim, Young Kee Shong, Won Bae Kim
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    Hyungju Kwon, June Young Choi, Jae Hoon Moon, Hyo Jin Park, Won Woo Lee, Kyu Eun Lee
    Head & Neck.2016;[Epub]     CrossRef
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    Min Ji Jeon, Won Gu Kim, Soyoung Sim, Seonhee Lim, Hyemi Kwon, Tae Yong Kim, Young Kee Shong, Won Bae Kim
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    Seung Eun Lee, Tae Sook Hwang, Yoon-La Choi, Hye Seung Han, Wan Seop Kim, Min Hye Jang, Suk Kyeong Kim, Jung Hyun Yang
    Thyroid.2016; 26(7): 901.     CrossRef
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    Young Shin Song, Jung Ah Lim, Young Joo Park
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Pituitary Apoplexy in Korea - Characteristics, Treatment Options and Outcomes.
Jung Ah Lim, Jin Taek Kim, Min Joo Kim, Tae Hyuk Kim, Yenna Lee, Hwa Young Cho, Chan Soo Shin, Kyong Soo Park, Hak Chul Jang, Bo Youn Cho, Hong Kyu Lee, Seong Yeon Kim
J Korean Endocr Soc. 2009;24(4):247-253.   Published online December 1, 2009
DOI: https://doi.org/10.3803/jkes.2009.24.4.247
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AbstractAbstract PDF
BACKGROUND
Reports on pituitary apoplexy in Korea are limited. There are two treatment options for pituitary apoplexy - surgical decompression and conservative management. In this study, we examined clinical presentation and outcomes following different therapies in Korean patients with pituitary apoplexy. METHODS: Clinical data and treatment outcomes from 52 patients with pituitary apoplexy who visited Seoul National University Hospital between January 1992 and June 2008 were reviewed retrospectively. Patients were divided into 2 groups according to management options (a surgery group vs. a conservative management group) and their outcomes were compared. For patients who underwent surgery due to neurological symptoms, outcomes were compared between early and late surgery groups. RESULTS: Headache (73.1%) was the most common presenting symptom, and more than half of the patients were reported to have visual symptoms. The most common type of pathology was a nonfunctioning pituitary adenoma (67.3%). Nine patients received conservative management and 43 underwent surgical decompression. Their recovery from neurological and endocrinological abnormalities were similar. Among patients who showed neurological symptoms, 9 underwent surgery within 1 week of symptom onset and 24 underwent surgery after 1 week. There was no significant difference between outcomes of early and late surgery groups except recovery from impaired visual deficit was greater in the late surgery group. CONCLUSION: Patients with pituitary apoplexy in Korea show similar clinical features as similar patients in other countries. In our study, there was no significant difference between clinical outcomes of the surgery group and the conservative treatment group.

Citations

Citations to this article as recorded by  
  • The Outcomes of Pituitary Apoplexy with Conservative Treatment: Experiences at a Single Institution
    Youngbeom Seo, Yong Hwy Kim, Yun-Sik Dho, Jung Hee Kim, Jin Wook Kim, Chul-Kee Park, Dong Gyu Kim
    World Neurosurgery.2018; 115: e703.     CrossRef
  • Characteristics and Treatment Options of Pituitary Apoplexy
    Dong-Sun Kim
    Journal of Korean Endocrine Society.2009; 24(4): 237.     CrossRef
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A Case of Acute Suppurative Thyroiditis in a Patient with Leukemia Who was Treated with Chemotherapy.
Hoon Sung Choi, Hwa Young Ahn, Jae Seok Lee, Hyosang Kim, Jung Ah Lim, Tae Hyuk Kim, Minjoo Kim, Yenna Lee, Do Jun Park, Bo Youn Cho
J Korean Endocr Soc. 2009;24(1):38-41.   Published online March 1, 2009
DOI: https://doi.org/10.3803/jkes.2009.24.1.38
  • 2,405 View
  • 21 Download
  • 2 Crossref
AbstractAbstract PDF
Acute suppurative thyroiditis (AST) is a rare disease of the thyroid gland that results from anatomical abnormalities, such as pyriform sinus fistula. However, in some case reports, patients with AST did not have anatomical abnormalities, including a report in which children with acute leukemia developed AST after chemotherapy. We report a case of AST in an adult with a hematologic disorder treated with chemotherapy. Although he was initially treated with parenteral antibiotics, surgical intervention was performed due to progressive worsening of AST. He recovered after surgical intervention and had no anatomical abnormality.

Citations

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  • Infection of Thyroid Cyst Occurring 1 Month after Fine-Needle Aspiration in an Immunocompetent Patient
    Jung Kyu Park, Eon Ju Jeon
    International Journal of Thyroidology.2018; 11(2): 182.     CrossRef
  • A Case of Acute Suppurative Thyroiditis with Thyrotoxicosis in an Elderly Patient
    Bo Sang Kim, Kil Woo Nam, Jeong Eun Kim, Ji Hoon Park, Jun Sik Yoon, Jung Hwan Park, Sang Mo Hong, Chang Bum Lee, Yong Soo Park, Woong Hwan Choi, You Hern Ahn, Dong Sun Kim
    Endocrinology and Metabolism.2013; 28(1): 50.     CrossRef
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Triiodothyronine Is Associated with Incidence/Resolution of Steatotic Liver Disease: Longitudinal Study in Euthyroid Korean
Hye In Kim, Jun Young Kim, Jung Hwan Cho, Ji Min Han, Sunghwan Suh, Ji Cheol Bae, Tae Hyuk Kim, Sun Wook Kim, Jong Ryeal Hahm, Jae Hoon Chung
Received May 11, 2024  Accepted July 19, 2024  Published online December 4, 2024  
DOI: https://doi.org/10.3803/EnM.2024.2040    [Epub ahead of print]
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AbstractAbstract PDF
Background
The positive relationship between triiodothyronine (T3) and steatotic liver disease (SLD) demonstrated only in crosssectional study. We aimed to evaluated whether total T3 (TT3) is associated with the development/resolution of SLD in longitudinal design.
Methods
This retrospective, longitudinal, population-based cohort study included 1,665 South Korean euthyroid adults with ≥4 thyroid function test. We explored the impact of mean TT3 during follow-up on development/resolution of either SLD (diagnosed by ultrasound) or modified metabolic dysfunction-associated steatotic liver disease (MASLD) using Cox proportional hazards regression models.
Results
During about median 5 years follow-up, 807/1,216 (66.3%) participants among participants without SLD at baseline developed SLD, and 253/318 (79.5%) participants among participants with SLD at baseline SLD resolved fatty liver. Mean TT3 rather than thyroid stimulating hormone or mean free thyroxine was significantly related with development (adjusted hazard ratio [HR], 1.01; 95% confidence interval [CI], 1.00 to 1.02; P=0.002) and resolution (adjusted HR, 0.97; 95% CI, 0.96 to 0.99; P=0.005) of SLD. Compared with low mean TT3 group, high mean TT3 group was positively associated with development of SLD (adjusted HR,1.20; 95% CI, 1.05 to 1.38; P=0.008) and inversely associated with resolution of SLD (adjusted HR, 0.66; 95% CI, 0.51 to 0.85; P=0.001). The statistical significance remained for development (adjusted HR, 1.29; 95% CI, 1.10 to 1.51; P=0.001) and resolution (adjusted HR, 0.71; 95% CI, 0.54 to 0.94; P=0.018) of modified MASLD.
Conclusion
In Korean euthyroid adults, TT3 level was associated with development and resolution of either SLD or modified MASLD.
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