Endocrinology and Metabolism

Original Article

Diabetes, Obesity and Metabolism
High Fibrosis-4 Index Is Related with Worse Clinical Outcome in Patients with Coronavirus Disease 2019 and Diabetes Mellitus: A Multicenter Observational Study: Sung-Woo Kim, Jae-Han Jeon, Jun Sung Moon, Mi Kyung Kim; Endocrinol Metab. 2021;36(4):800-809. Published online August 20, 2021; DOI: https://doi.org/10.3803/EnM.2021.1040

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Background
Based on recent evidence on the importance of the presence of diabetes mellitus (DM) and fibrosis-4 (FIB-4) index in coronavirus disease 2019 (COVID-19) mortality, we analyzed whether these factors could additively predict such mortality.
Methods
This multicenter observational study included 1,019 adult inpatients admitted to university hospitals in Daegu. The demographic and laboratory findings, mortality, prevalence of severe disease, and duration of quarantine were compared between patients with and without DM and/or a high FIB-4 index. The mortality risk and corresponding hazard ratio (HR) were analyzed using the Kaplan-Meier method and Cox proportional hazard models.
Results
The patients with DM (n=217) exhibited significantly higher FIB-4 index and mortality compared to those without DM. Although DM (HR, 2.66; 95% confidence interval [CI], 1.63 to 4.33) and a high FIB-4 index (HR, 4.20; 95% CI, 2.21 to 7.99) were separately identified as risk factors for COVID-19 mortality, the patients with both DM and high FIB-4 index had a significantly higher mortality (HR, 9.54; 95% CI, 4.11 to 22.15). Higher FIB-4 indices were associated with higher mortality regardless of DM. A high FIB-4 index with DM was more significantly associated with a severe clinical course with mortality (odds ratio, 11.24; 95% CI, 5.90 to 21.41) than a low FIB-4 index without DM, followed by a high FIB-4 index alone and DM alone. The duration of quarantine and hospital stay also tended to be longer in those with both DM and high FIB-4 index.
Conclusion
Both DM and high FIB-4 index are independent and additive risk factors for COVID-19 mortality.

Citations

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COVID-19 and hepatic injury: Diversity and risk assessment
Fares E M Ali, Mostafa K Abd El-Aziz, Mahmoud M Ali, Osama M Ghogar, Adel G Bakr
World Journal of Gastroenterology.2023; 29(3): 425. CrossRef
Differential Effects of COVID-19 Hospitalization on the Trajectory of Liver Disease Progression
Dilara Hatipoğlu, Connor Mulligan, Jeffrey Wang, Juan Peticco, Reid Grinspoon, Sanjay Gadi, Camilla Mills, Jay Luther, Raymond T. Chung
Gastro Hep Advances.2023; 2(4): 480. CrossRef
Association of non-alcoholic fatty liver and metabolic-associated fatty liver with COVID-19 outcomes: A systematic review and meta-analysis
Gowthami Sai Kogilathota Jagirdhar, Rakhtan K Qasba, Harsha Pattnaik, Kaanthi Rama, Akshat Banga, Shiva Teja Reddy, Anna Carolina Flumignan Bucharles, Rahul Kashyap, Praveen Reddy Elmati, Vikas Bansal, Yatinder Bains, Theodore DaCosta, Salim Surani
World Journal of Gastroenterology.2023; 29(21): 3362. CrossRef
COVID-19 and Fatty Liver Disorders
Maria Guarino, Valentina Cossiga, Francesco Cutolo, Maria Attanasio, Raffaele Lieto, Filomena Morisco
Journal of Clinical Medicine.2023; 12(13): 4316. CrossRef
Prevalence and Prognostic Significance of Liver Fibrosis in Patients With Aneurysmal Subarachnoid Hemorrhage
Tiangui Li, Peng Wang, Xiao Gong, Weelic Chong, Yang Hai, Chao You, Juan Kang, Fang Fang, Yu Zhang
Frontiers in Neurology.2022;[Epub] CrossRef

Special Article

Adrenal gland
Diagnosis for Pheochromocytoma and Paraganglioma: A Joint Position Statement of the Korean Pheochromocytoma and Paraganglioma Task Force: Eu Jeong Ku, Kyoung Jin Kim, Jung Hee Kim, Mi Kyung Kim, Chang Ho Ahn, Kyung Ae Lee, Seung Hun Lee, You-Bin Lee, Kyeong Hye Park, Yun Mi Choi, Namki Hong, A Ram Hong, Sang-Wook Kang, Byung Kwan Park, Moon-Woo Seong, Myungshin Kim, Kyeong Cheon Jung, Chan Kwon Jung, Young Seok Cho, Jin Chul Paeng, Jae Hyeon Kim, Ohk-Hyun Ryu, Yumie Rhee, Chong Hwa Kim, Eun Jig Lee; Endocrinol Metab. 2021;36(2):322-338. Published online April 6, 2021; DOI: https://doi.org/10.3803/EnM.2020.908

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Abstract PDF PubReader ePub

Pheochromocytoma and paraganglioma (PPGLs) are rare catecholamine-secreting neuroendocrine tumors but can be life-threatening. Although most PPGLs are benign, approximately 10% have metastatic potential. Approximately 40% cases are reported as harboring germline mutations. Therefore, timely and accurate diagnosis of PPGLs is crucial. For more than 130 years, clinical, molecular, biochemical, radiological, and pathological investigations have been rapidly advanced in the field of PPGLs. However, performing diagnostic studies to localize lesions and detect metastatic potential can be still challenging and complicated. Furthermore, great progress on genetics has shifted the paradigm of genetic testing of PPGLs. The Korean PPGL task force team consisting of the Korean Endocrine Society, the Korean Surgical Society, the Korean Society of Nuclear Medicine, the Korean Society of Pathologists, and the Korean Society of Laboratory Medicine has developed this position statement focusing on the comprehensive and updated diagnosis for PPGLs.

Citations

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A Prospective Comparative Study of 18F-FDOPA PET/CT Versus 123I-MIBG Scintigraphy With SPECT/CT for the Diagnosis of Pheochromocytoma and Paraganglioma
Changhwan Sung, Hyo Sang Lee, Dong Yun Lee, Yong-il Kim, Jae Eun Kim, Sang Ju Lee, Seung Jun Oh, Tae-Yon Sung, Yu-Mi Lee, Young Hoon Kim, Beom-Jun Kim, Jung-Min Koh, Seung Hun Lee, Jin-Sook Ryu
Clinical Nuclear Medicine.2024; 49(1): 27. CrossRef
Evaluation and Management of Bone Health in Patients with Thyroid Diseases: A Position Statement of the Korean Thyroid Association
A Ram Hong, Ho-Cheol Kang
Endocrinology and Metabolism.2023; 38(2): 175. CrossRef
Lesion-based indicators predict long-term outcomes of pheochromocytoma and paraganglioma– SIZEPASS
Helena Hanschell, Salvador Diaz-Cano, Alfredo Blanes, Nadia Talat, Gabriele Galatá, Simon Aylwin, Klaus Martin Schulte
Frontiers in Endocrinology.2023;[Epub] CrossRef
Interleukin-6-producing paraganglioma as a rare cause of systemic inflammatory response syndrome: a case report
Yin Young Lee, Seung Min Chung
Journal of Yeungnam Medical Science.2023; 40(4): 435. CrossRef
(Extremely rare intrapericardial location of paraganglioma)
Jaroslav Zajíc, Aleš Mokráček, Ladislav Pešl, Jiří Haniš, Dita Schaffelhoferová
Cor et Vasa.2023; 65(4): 692. CrossRef
A Case of Von Hippel-Lindau Disease With Recurrence of Paraganglioma and No Other Associated Symptoms: The Importance of Genetic Testing and Establishing Follow-Up Policies
Naoki Okada, Akihiro Shioya, Sumihito Togi, Hiroki Ura, Yo Niida
Cureus.2023;[Epub] CrossRef
KSNM60 in Nuclear Endocrinology: from the Beginning to the Future
Chae Moon Hong, Young Jin Jeong, Hae Won Kim, Byeong-Cheol Ahn
Nuclear Medicine and Molecular Imaging.2022; 56(1): 17. CrossRef
Change of Computed Tomography-Based Body Composition after Adrenalectomy in Patients with Pheochromocytoma
Yousun Ko, Heeryoel Jeong, Seungwoo Khang, Jeongjin Lee, Kyung Won Kim, Beom-Jun Kim
Cancers.2022; 14(8): 1967. CrossRef
Evaluation and Management of Bone Health in Patients with Thyroid Diseases: a Position Statement from the Korean Thyroid Association
A Ram Hong, Hwa Young Ahn, Bu Kyung Kim, Seong Hee Ahn, So Young Park, Min-Hee Kim, Jeongmin Lee, Sun Wook Cho, Ho-Cheol Kang
International Journal of Thyroidology.2022; 15(1): 1. CrossRef
Pheochromocytoma with Retroperitoneal Metastasis: A Case Report
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Advances in Clinical Medicine.2021; 11(05): 2239. CrossRef

Case Reports

Ophthalmopathy Induced by Bilateral Carotid Cavernous Fistula in a Patient with Graves' Disease.: Jong Kun Ha, Ji Hye Suk, A Ra Jo, Chan Woo Jung, Bong Jae Kim, Seong Oh Park, Sang Su Kim, Mi Kyung Kim; Endocrinol Metab. 2011;26(4):335-339. Published online December 1, 2011; DOI: https://doi.org/10.3803/EnM.2011.26.4.335

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Abstract PDF: Graves' disease (GD) can lead to specific eye afflictions including proptosis, periorbital swelling, conjunctival injection, chemosis, and opthalmoplegia, which then become a condition called Graves' ophthalmopathy or thyroid-associated ophthalmopathy (TAO). A carotid cavernous fistula (CCF) is an abnormal vascular communication between the carotid artery and the cavernous sinus. The clinical signs of CCF are very similar to TAO and should be considered as a differential diagnosis of TAO. We would like to present an interesting case of a bilateral ophthalmopathy induced by CCF in a GD patient. A 54-year-old man with a 6-year history of GD presented with bilateral exophthalmos and conjunctival injection for two months. The orbital CT scan findings were consistent with CCF, and an angiography revealed bilateral CCF. He received a bilateral coil embolization for the CCF and his ophthalmic signs were immediately improved. We recommend orbital imaging to exclude other coexisting diseases in patients who are suspected of TAO, especially when the diagnosis is uncertain or when determining whether medical or surgical intervention is appropriate.

A Case of Central Pontine Myelinolysis in a Type 2 Diabetic Patient without Electrolyte Changes.: A Ra Jo, Ji Hye Suk, Jong Kun Ha, Chan Woo Jung, Bong Jae Kim, Seong Oh Park, Seon Chool Hwang, Hyun Wook Choi, Mi Kyung Kim; Endocrinol Metab. 2011;26(3):263-267. Published online September 1, 2011; DOI: https://doi.org/10.3803/EnM.2011.26.3.263

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Abstract PDF: Central pontine myelinolysis (CPM) by complicating rapid correction of severe hyponatremia has been widely reported. Additionally, CPM was occasionally reported among patients with post-liver transplantation, burns, chronic renal failure with dialysis, or other diseases associated with or not associated with other electrolyte changes or hyperosmolarity. However, there have been a few reports of CPM occurring in diabetic patients without documented electrolyte changes. This report is, to the best of our knowledge, the first report of CPM in type 2 diabetic patients without electrolyte changes in Korea. A 40-year-old man with type 2 diabetes mellitus with abruptly developed dysarthria and ataxia was admitted to our facility. He suffered from poor glucose control and multiple diabetic complications. Brain magnetic resonance imaging (MRI) revealed a well-defined bilateral symmetric hyperintense lesion in the central portion of the pons on T2- and diffusion-weighted images, which was consistent with CPM. After the patient's blood glucose and blood pressure normalized, his dysarthria and ataxia improved. Six months after discharge, follow-up MRI showed a persistent, but greatly reduced symmetric lesion in the central pons. It is certainly possible for CPM to be overlooked clinically in diabetic patients, but more cases could be diagnosed if careful attention was paid to this syndrome.

The Effect of Octreotide LAR on GH and TSH Co-Secreting Pituitary Adenoma.: Nam Keong Kim, Yu Jin Hah, Ho Young Lee, Sang Jin Kim, Mi Kyung Kim, Keun Gyu Park, Ealmaan Kim, Hyukwon Chang, Hye Soon Kim; Endocrinol Metab. 2010;25(4):378-381. Published online December 1, 2010; DOI: https://doi.org/10.3803/EnM.2010.25.4.378

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Abstract PDF: Growth hormone (GH) and thyroid stimulating hormone (TSH)-secreting pituitary adenomas are very rare and they account for only 0.5% for all pituitary adenomas. These adenomas are usually treated with surgery, but this surgery is not easy because the tumor is usually huge and invasive. We reported here on a case of a GH-TSH-secreting adenoma in a 23-year-old male patient who was initially treated with octreotide LAR. He presented with symptoms of headache, palpitation and a visual defect that he had for the 3 months. He had hypertrophy of the frontal bone and enlargement of both the hands and feet. The visual field test showed bitemporal hemianopsia. The laboratory examinations showed high serum levels of free T4, TSH and free alpha-subunit. Additionally, the serum levels of GH and insulin-like growth factor-I (IGF-I) were increased. GH was not suppressed below 1microg/L by an oral 75g glucose loading test, and TSH was not stimulated by thyrotropin-releasing hormone (TRH). Because sellar MRI showed invasive macroadenoma encasing the vessels, we initially tried octreotide LAR for treatment. A year later, the IGF-I and thyroid function tests were normalized and the size of the tumor was reduced with cystic change. The symptoms of palpitation and headache were improved without a change of the visual field defect.

Original Articles

The Effect of Atorvastatin and Simvastatin on NIS Expression of the TPC-1 Cell under the Therapeutic Blood Concentrations.: Tae Kyoon Kim, Hye Sook Jung, Chang Shin Yoon, Jung Hae Ko, Hae Jung Jun, Min Jung Kwon, Sun Hee Lee, Mi Kyung Kim, Jeong Hyun Park; Endocrinol Metab. 2010;25(3):192-198. Published online September 1, 2010; DOI: https://doi.org/10.3803/EnM.2010.25.3.192

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Abstract PDF: BACKGROUND
Although so many experimental trials have been done to improve the redifferentiation and responsiveness of radioiodide therapy, they have not yet yielded any satisfactory results. As statins inhibit both farnesylation and geranylgeranylation, they have been reported to have an antineoplastic and redifferentiation effect in experimental and clinical studies. In this study, we investigated the relationship between statins and the alteration of the NIS expression and, TPC-1 cell apotosis to evaluate the possibility of using statins as adjuvant therapeutic agents for papillary thyroid cancer. METHODS: We used the TPC-1 cell lines for our experiments. Cell viabilities were measured by CCK-8. The degrees of apoptosis and, the expressions of NIS mRNA and NIS protein were measured by flow cytometry, semi quantitative RT-PCR and Western blot assay. RESULTS: Increased levels of NIS mRNA and NIS protein were observed under therapeutic blood concentrations (concentrations of simvastatin: 20, 50, 80 nM, concentrations of atorvastatin: 50, 80,110 nM), but the dose-response relationship was only manifested within simvastatin. The TPC-1 cells showed a concentration dependent decrease of viability and an increase of apoptosis not under therapeutic blood concentrations, but under excessively high concentrations (after treatment with 10-50 microM of atorvastatin and with 1-10 microM of simvastatin). CONCLUSION: The results of this study show that effective therapeutic blood concentrations of simvastatin and atorvastatin can give a favorable effect on the NIS expression under effective therapeutic blood concentrations. Therefore, we demonstrated the possibility that simvastatin and atorvastatin might have an important role as adjuvant therapeutic agents to improve the responsiveness of radioiodide therapy for papillary thyroid cancer. Further studies are needed to clarify this issue.

Clinical Usefulness of the Second Generation TSH-Binding Inhibitory Immunoglobulin Assay Using Recombinant Human TSH Receptor in Patients with Graves' Disease.: Jung Eun Huh, Ji Hye Suk, Mi Kyung Kim, Im Jeong Choi, Seok Man Son, In Joo Kim, Yong Ki Kim; J Korean Endocr Soc. 2008;23(3):179-185. Published online June 1, 2008; DOI: https://doi.org/10.3803/jkes.2008.23.3.179

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Abstract PDF

BACKGROUND
AND AIM: Detection of TSH receptor antibody in patients with Graves' disease (GD) has been widely used in clinical practice. This has been performed mostly by commercial radio-receptor assays that measure TSH-binding inhibitory immunoglobulin (TBII) with using porcine TSH receptor as the ligand. To increase the sensitivity of the assay, many research groups have tried to replace the porcine source of TSH receptor with recombinant human TSH receptor. In this study we evaluated the clinical usefulness of the second generation TBII assay, which uses recombinant human TSH receptor, for making the diagnosis of GD, as compared to the conventional TBII assay. MATERIALS AND METHODS: We obtained sera from 76 patients with newly diagnosed or relapsing GD without or with less than 4 weeks of antithyroid drugs, and 54 patients with Hashimoto's thyroiditis who had not received thyroid hormone treatment or quit thyroid hormone more than 3 months before. TBII was measured by using both the conventional porcine TBII assay (pTBII) and the human recombinant TBII assay (hTBII). TBII was also measured in the sera from 66 healthy controls. RESULTS: The cut-off values of the pTBII and hTBII assay were defined as two geometric standard deviations from the geometric mean of the values in healthy controls, and these values were 10.8 IU/L and 1.0 IU/L, respectively. The sensitivity was 62% (47/76) for pTBII, as compared to 100% (76/76) for the hTBII, for diagnosing GD. Of the 54 patients with Hashimoto's thyroiditis, 3 (5.6%) and 7 (13.0%) patients had positive pTBII and positive hTBII, respectively. CONCLUSION: These data showed that the hTBII assay was a comparable method in terms of the sensitivity for the diagnosis of GD, as compared to the pTBII assay. It can be suggested that this new hTBII assay, rather than the pTBII assay, should be more widely used as the first line diagnostic test for GD.

Citations

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Changes in Thyroid Peroxidase and Thyroglobulin Antibodies Might Be Associated with Graves' Disease Relapse after Antithyroid Drug Therapy
Yun Mi Choi, Mi Kyung Kwak, Sang Mo Hong, Eun-Gyoung Hong
Endocrinology and Metabolism.2019; 34(3): 268. CrossRef
Usefulness of Measuring Thyroid Stimulating Antibody at the Time of Antithyroid Drug Withdrawal for Predicting Relapse of Graves Disease
Hyemi Kwon, Won Gu Kim, Eun Kyung Jang, Mijin Kim, Suyeon Park, Min Ji Jeon, Tae Yong Kim, Jin-Sook Ryu, Young Kee Shong, Won Bae Kim
Endocrinology and Metabolism.2016; 31(2): 300. CrossRef
Clinical Applications of Thyrotropin Binding Inhibitor Immunoglobulin (TBII) Assays
Won Bae Kim
Journal of Korean Endocrine Society.2008; 23(3): 174. CrossRef

Effects of Alpha-lipoic Acid on SREBP-1c Expression in HepG2 Cells.: Tae Sung Yun, Ae Kyung Min, Nam Kyung Kim, Mi Kyung Kim, Ho Chan Cho, Hye Soon Kim, Jae Seok Hwang, Seong Yeol Ryu, Keun Gyu Park, In Kyu Lee; J Korean Endocr Soc. 2008;23(1):27-34. Published online February 1, 2008; DOI: https://doi.org/10.3803/jkes.2008.23.1.27

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Abstract PDF

BACKGROUND
Non-alcoholic fatty liver disease is common in patients with insulin resistance. Sterol regulatory element binding protein-1c (SREBP-1c) is a member of a family of transcription factors that have been recognized as key regulators for lipid accumulation in the liver that activate enzymes involved in the fatty acid biosynthetic pathway. This study was designed to evaluate whether alpha-lipoic acid (ALA) inhibits insulin-stimulated SREBP-1c expression. METHODS: We investigated the effects of ALA on insulin-stimulated SREBP-1c expression in a human hepatoma cell line (HepG2 cells) using Northern and Western blot analysis. We also examined the effect of ALA on the promoter activity of the SREBP-1c gene to examine whether ALA can affect SREBP-1c expression at the transcriptional level. To discern the mechanism by which ALA inhibits SREBP-1c expression, we examined the role of AMP-activated protein kinase (AMPK). RESULTS: Insulin increased the expression of SREBP-1c mRNA and protein in HepG2 cells in a dose depended manner. Co-treatment with ALA inhibited the insulin increased SREBP-1c expression in a dose-dependent manner. ALA also inhibited insulin-stimulated activation of the SREBP-1c promoter activity, indicating that ALA inhibited SREBP-1c expression at the transcriptional level. ALA increased phosphorylation of AMPK in HepG2 cells. Inhibition of the AMPK activity by compound C markedly reversed the inhibitory effects of ALA for insulin-stimulated SREBP-1c expression. These results suggest that ALA-induced suppression of SREBP-1c expression is at least in part mediated via AMPK activation. CONCLUSION: The present study suggests that ALA has an inhibitory effect on insulin-stimulated SREBP-1c expression. Therefore, further studies on the effects of ALA on hepatic steatosis in an animal model need to be performed.

Citations

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Effects of an aqueous extract of purple sweet potato on nonalcoholic fatty liver in high fat/cholesterol-fed mice
You Jin Lee, Yoon Kyoung Yang, You Jin Kim, Oran Kwon
Journal of Nutrition and Health.2015; 48(1): 1. CrossRef
Effects of an aqueous extract of purple sweet potato on nonalcoholic fatty liver in high fat/cholesterol-fed mice
You Jin Lee, Yoon Kyoung Yang, You Jin Kim, Oran Kwon
Journal of Nutrition and Health.2015; 48(1): 1. CrossRef

Review Article

Endoplasmic Reticulum Stress and Diabetes.: Mi Kyung Kim, Keun Gyu Park; J Korean Endocr Soc. 2008;23(1):1-8. Published online February 1, 2008; DOI: https://doi.org/10.3803/jkes.2008.23.1.1

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Abstract PDF

No abstract available.

Citations

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Nonalcoholic Fatty Liver Disease and Endoplasmic Reticulum Stress
Myeong Jun Song
The Korean Journal of Medicine.2021; 96(2): 92. CrossRef
Molecular and Functional Interaction of the Myokine Irisin with Physical Exercise and Alzheimer’s Disease
Yunho Jin, Dewan Sumsuzzman, Jeonghyun Choi, Hyunbon Kang, Sang-Rae Lee, Yonggeun Hong
Molecules.2018; 23(12): 3229. CrossRef
Chronic Alcohol Consumption Results in Greater Damage to the Pancreas Than to the Liver in the Rats
Seong-Su Lee, Oak-Kee Hong, Anes Ju, Myung-Jun Kim, Bong-Jo Kim, Sung-Rae Kim, Won-Ho Kim, Nam-Han Cho, Moo-Il Kang, Sung-Koo Kang, Dai-Jin Kim, Soon-Jib Yoo
The Korean Journal of Physiology & Pharmacology.2015; 19(4): 309. CrossRef

Original Article

Prevalence of Ultrasonographically-Detected Thyroid Nodules in Adults without Previous History of Thyroid Disease.: Ji Hye Suk, Tae Yong Kim, Mi Kyung Kim, Won Bae Kim, Hong Kyu Kim, Seong Hoon Jeon, Young Kee Shong; J Korean Endocr Soc. 2006;21(5):389-393. Published online October 1, 2006; DOI: https://doi.org/10.3803/jkes.2006.21.5.389

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Abstract PDF

BACKGROUND
The prevalence of palpable thyroid nodules in the general population is about 5%, and is 3~5 times higher in women than in men. However, much higher prevalence, up to 50%, was reported from autopsy data. Recently, the use of high resolution ultrasonography for routine check-up has resulted in much more detection of non-palpable thyroid nodules. We studied the prevalence of thyroid nodules in healthy adults without history of thyroid disease, and compared the prevalence in relation to palpability, age and gender. METHODS: The prevalence of thyroid nodules was studied in adults aged from 20 to 79 years who had visited the health promotion center at Asan Medical Center, Seoul, Korea, from Jan 2002 to Dec 2003. Subjects with previous thyroid disease were excluded. 7,440 subjects (6,168 female, 1,272 men) were included in this study. Thyroid palpation was performed and followed by ultrasonography using a 12-MHz real-time scanner. RESULTS: Thyroid nodules were detected in 3,040 of the 7,440 subjects (41%). Palpable nodules were present in 213 (3%), and non-palpable, but ultrasonographically detected thyroid nodules were present in 2,827 (38%). Thyroid nodules were present in 2,602 women (42.2%) and 370 men (29%). Among them, 159 women (2.6%) and 54 men (4.2%) had palpable thyroid nodules and 2,443 women (39.6%) and 316 men (24.8%) had non-palpable but ultrasonographically detected nodules. A significant linear trend was found between age and the prevalence of thyroid nodules. CONCLUSIONS: The prevalence of ultrasonographically detected thyroid nodules in adults with no previous history of thyroid disease was 41%. The prevalence of palpable nodules and non-palpable, but ultrasonographically detected nodules were 3% and 38%, respectively. Thyroid nodules were detected in 42.2% of women and 29% of men, showing that thyroid nodules are very common in healthy adults, even in men.

Citations

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The Prevalence of Thyroid Nodules and the Morphological Analysis of Malignant Nodules on Ultrasonography
An Hyun, Ji Tae-jeong, Lee Hyo-young, Im In-chul
Journal of Radiological Science and Technology.2019; 42(3): 201. CrossRef
Prevalence of thyroid nodules and their associated clinical parameters: a large-scale, multicenter-based health checkup study
Jae Hoon Moon, Min Kyung Hyun, Ja Youn Lee, Jung Im Shim, Tae Hyuk Kim, Hoon Sung Choi, Hwa Young Ahn, Kyung Won Kim, Do Joon Park, Young Joo Park, Ka Hee Yi
The Korean Journal of Internal Medicine.2018; 33(4): 753. CrossRef
Prevalence and Annual Incidence of Thyroid Disease in Korea from 2006 to 2015: A Nationwide Population-Based Cohort Study
Hyemi Kwon, Jin-hyung Jung, Kyung-Do Han, Yong-Gyu Park, Jung-Hwan Cho, Da Young Lee, Ji Min Han, Se Eun Park, Eun-Jung Rhee, Won-Young Lee
Endocrinology and Metabolism.2018; 33(2): 260. CrossRef
An Iodine Database for Common Korean Foods and the Association between Iodine Intake and Thyroid Disease in Korean Adults
Mi-Rhan Han, Dal Lae Ju, Young Joo Park, Hee-Young Paik, YoonJu Song
International Journal of Thyroidology.2015; 8(2): 170. CrossRef
Management of Thyroid Nodules and Cancers Arising in the Elderly
Eunyoung Kim, June Young Choi, Kyu Eun Lee
Journal of Korean Thyroid Association.2012; 5(2): 99. CrossRef
Screening of Thyroid Cancer and Management of Thyroid Incidentaloma
Jung Jin Cho
Korean Journal of Family Medicine.2010; 31(2): 87. CrossRef
Postoperative Findings of the Cytological Diagnosis of Follicular Neoplasm or Hürthle Cell Neoplasm and the Risk of Malignancy
Ji Hye Yim, Eui Young Kim, Won Gu Kim, Tae Yong Kim, Gyungyup Gong, Suck Joon Hong, Won Bae Kim, Young Kee Shong
Endocrinology and Metabolism.2010; 25(4): 316. CrossRef
Prevalence of Thyroid Nodules Detected by Ultrasonography in Adults for Health Check-up and Analysis of Fine Needle Aspiration Cytology
Jae Hoon Chung
Journal of Korean Endocrine Society.2008; 23(6): 391. CrossRef
Prevalence of Thyroid Nodules Detected by Ultrasonography in Adults for Health Check-Ups and Analysis of Fine Needle Aspiration Cytology
Won Jun Kim, Joo Hyong Kim, Dong Won Park, Chang Beom Lee, Yong Soo Park, Dong Sum Kim, Woong Hwan Choi, Tae Wha Kim, You Hern Ahn
Journal of Korean Endocrine Society.2008; 23(6): 413. CrossRef
Trends Analysis of Characteristics of Thyroid Cancer Patients in One Medical Center
Seung Hun Lee, Tae Yong Kim, Jin-Sook Ryu, Gyungyub Gong, Won Bae Kim, Seong Chul Kim, Suck Joon Hong, Young Kee Shong
Journal of Korean Endocrine Society.2008; 23(1): 35. CrossRef
Prevalence of Thyroid Nodules Detected by Ultrasonography in Adult Men Attending Health Check-ups
Jung Hyun Kim, Sang Jun Park, Sang Eok Kim, Kwang Hee Lee, Il Kwon Cho, Sun Ik Jang, Jin Kwan Lee, Keum Soo Seo, Hyuck Po Kwon, Sung Chang Chung
Journal of Korean Endocrine Society.2007; 22(2): 112. CrossRef

Case Report

A Case of Osteosarcoma induced Oncogenic Osteomalacia Detected by MRI.: Sung Kil Lim, Young Duk Song, Hyun Chul Lee, Kap Bum Huh, Ki Hyun Park, Kyung Rae Kim, Soon Won Hong, Jae Hyun Nam, Jong In Yook, Byung Joo Choi, Mi Kyung Kim, Kyu Ho Shin; J Korean Endocr Soc. 1999;14(2):401-409. Published online January 1, 2001

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Abstract PDF: Oncogenic osteomalacia is a syndrome characterized by phosphaturia, hypophosphatemia, decreased 1,25-dihydroxyvitamin D level and specific signs and symptoms of osteomalacia. It is associated with the presence of neoplasm originated from mesenchyme. Until now, less than 100 cases of oncogenic osteomalacia have been reported. The pathophysiology of oncogenic osteomalacia has not been fully understood, but it has been suggested that a certain substance released by tumor may inhibit not only la-hydroxylase activity and reduce 1,25-dihydroxyvitamin D level in part, but directly inhibit reabsorption of phosphate. And then, reduced phosphaturia, hypophosphatemia and eventually osteomalacia develop. We report a case of osteosarcoma induced oncogenic osteomalacia detected by MRI in 59 year old woman.

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