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Seifert P, Gühne F, Drescher R, Freesmeyer M. [Normal values for adult thyroid volume on ultrasound - where do they come from and how should they be evaluated?]. Laryngorhinootologie 2024; 103:35-39. [PMID: 37813348 DOI: 10.1055/a-2144-4093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/11/2023]
Abstract
The upper limit for the thyroid volume is 18 ml for women and 25 ml for men. These reference values are used and taught in many clinics and practices across several disciplines. The thyroid volume is a relevant factor for the treatment course. But where do the standard values for thyroid volumes come from, what kind of studies have been carried out to establish them? Should these upper limits be used as an universal standard in clinical routine, and which factors can influence the physiological organ size? The following article is dedicated to a critical review of the commonly used reference values for the thyroid volume of adults.
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Affiliation(s)
- Philipp Seifert
- Klinik für Nuklearmedizin, Universitätsklinikum Jena, Jena, Germany
| | - Falk Gühne
- Klinik für Nuklearmedizin, Universitätsklinikum Jena, Jena, Germany
| | - Robert Drescher
- Klinik für Nuklearmedizin, Universitätsklinikum Jena, Jena, Germany
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2
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Monteiro MC, Assayag G, Botler R, Bergamin A, Conceição FL, Silva de Morais N, Seixas RPD, Berbara TMBL, Schtscherbyna A, Corcino CM, Saraiva DA, Vaisman M, Teixeira PFS. Thyroid Volume in Pregnancy is Associated with Parity, Gestational Age, and Body Mass Index in an Iodine-sufficient Area. REVISTA BRASILEIRA DE GINECOLOGIA E OBSTETRÍCIA 2023; 45:e557-e561. [PMID: 37944921 PMCID: PMC10635786 DOI: 10.1055/s-0043-1776028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Accepted: 08/01/2023] [Indexed: 11/12/2023] Open
Abstract
OBJECTIVE We compared thyroid volume (TV) and presence of nodular goiter (NG) in pregnant vs. non-pregnant women in an iodine-sufficient area. We also evaluated the relationship between gestational age, parity, and TV in the pregnant women group, and determined the 2.5th and 97.5th percentiles of normal TV in pregnancy. METHODS This cross-sectional study included 299 healthy women (216 pregnant) without previous thyroid diseases. Thyroid ultrasounds were performed and compared between pregnant and non-pregnant women. The range of normal distribution of TV (2.5th and 97.5th percentiles) in pregnancy was determined after excluding individuals with positive thyroid antibodies, NG, and/or abnormal serum thyrotropin (TSH) or free thyroxine (FT4). RESULTS Thyroid volume was larger among pregnant compared to non-pregnant women (8.6 vs 6.1 cm3; p < 0.001) and was positively correlated with gestational age (rs = 0.221; p = 0.001), body mass index (BMI, rs 0.165; p = 0.002), and FT4 levels (rs 0.118 p = 0.021). Nodular goiter frequency did not differ between the two groups. There was a negative correlation between TV and TSH (rs -0.13; p = 0.014). Thyroid volume was lower among primiparous compared to multiparous patients (7.8 vs 8.9; p < 0.001) and was positively correlated with parity (rs 0.161; p = 0.016). The 2.5th and 97.5th percentiles of TV were 4.23 and 16.47 cm3, respectively. CONCLUSION Thyroid volume was higher in pregnant compared to non-pregnant women and was positively related to parity, BMI, and gestational age in a normal iodine status population. Pregnancy did not interfere with the development of NG.
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Affiliation(s)
- Mariana Couto Monteiro
- Endocrinology Postgraduate Program, Medical School, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Gabriela Assayag
- Endocrinology Postgraduate Program, Medical School, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Ricardo Botler
- Endocrinology Postgraduate Program, Medical School, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Anice Bergamin
- Endocrinology Postgraduate Program, Medical School, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Flávia Lúcia Conceição
- Endocrinology Postgraduate Program, Medical School, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Nathalie Silva de Morais
- Endocrinology Postgraduate Program, Medical School, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | | | | | - Annie Schtscherbyna
- Endocrinology Postgraduate Program, Medical School, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Carolina Martins Corcino
- Endocrinology Postgraduate Program, Medical School, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Débora Ayres Saraiva
- Endocrinology Postgraduate Program, Medical School, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
| | - Mário Vaisman
- Endocrinology Postgraduate Program, Medical School, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
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Spinelli C, Sanna B, Ghionzoli M, Micelli E. Therapeutic challenges in metastatic follicular thyroid cancer occurring in pregnancy: A case report. World J Obstet Gynecol 2022; 11:33-39. [DOI: 10.5317/wjog.v11.i3.33] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Revised: 03/22/2022] [Accepted: 05/28/2022] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Hormones could play a role in the evolution of follicular thyroid cancer (FTC) for which we discuss an unusual presentation of FTC occurring during pregnancy.
CASE SUMMARY A pregnant woman was admitted with FTC metastasis resulting in a gluteal mass. Preoperative abdominal computed tomography revealed liver metastasis for which the patient underwent total thyroidectomy and liver resection, oral radioiodine therapy and radiotherapy, followed by embolization of the pelvic mass. The patient died of cerebral hemorrhage 16 mo after the initial diagnosis.
CONCLUSION Human chorionic gonadotropin and estrogen stimulation might have a role in cancer growth, especially during pregnancy. FTC management aims to stop disease progression and overcome hormonal imbalances after thyroidectomy thus reducing fetal complications. It is still under debate whether it is possible to combine optimal timing for treatment to ensure the best possible outcome with reduction of fetal complications and risk of cancer growth.
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Affiliation(s)
- Claudio Spinelli
- Division of Pediatric and Adolescent Surgery, Department of Surgical, Medical, Molecular Pathology and of the Critic Area, University of Pisa, Pisa 56100, Italy
| | - Beatrice Sanna
- Division of Pediatric and Adolescent Surgery, Department of Surgical, Medical, Molecular Pathology and of the Critic Area, University of Pisa, Pisa 56100, Italy
| | - Marco Ghionzoli
- Division of Pediatric and Adolescent Surgery, Department of Surgical, Medical, Molecular Pathology and of the Critic Area, University of Pisa, Pisa 56100, Italy
| | - Elisabetta Micelli
- Division of Gynecology and Obstetrics, University of Pisa, Pisa 56100, Italy
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Köse Aktaş A, Gökçay Canpolat A, Aydin Ü, Yilmaz H, Aydogan Bİ, Erkenekli K, Koç G, Aral Y, Erdoğan MF. Intensifying Iodine Deficiency Throughout Trimesters of Pregnancy in a Borderline Iodine-Sufficient Urban Area, Ankara, Turkey. Biol Trace Elem Res 2022; 200:2667-2672. [PMID: 34468925 DOI: 10.1007/s12011-021-02903-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/04/2021] [Accepted: 08/23/2021] [Indexed: 11/24/2022]
Abstract
Iodine has long been recognized as an essential micronutrient for maternal thyroid function, as well as fetal growth and development during pregnancy. The current study aimed to evaluate thyroid hormone status, urinary iodine concentration (UIC), thyroid volume, and nodularity in pregnant women, throughout trimesters, in a borderline iodine sufficient, urban area with mandatory table salt iodization. Two-hundred-sixty-five pregnant women ranging from 17 to 45 years participated in this prospective longitudinal study. Thyroid function tests, thyroid volume, nodule growth, and UIC were recorded throughout the first, second, and third trimesters with no intervention. Median UIC was 96, 78, and 60 µg/L in the first, second, and third trimester of pregnancy, respectively (p < 0.001). Mean TSH values increased significantly (i.e. 0.65 mIU/ml, 1.1 mIU/ml, and 1.3 mIU/ml in the first, second, and third trimesters, respectively) (p < 0.001). Mean ± s.d. thyroid volume was significantly higher in the third trimester (14.72 ± 6.8 ml) compared with the first trimester (13.69 ± 5.31 ml) (p < 0.001). An intensifying iodine deficiency (ID) was reported throughout trimesters in this cohort of pregnant women from Ankara. A significant percentage of pregnant women from a borderline iodine sufficient, urban area in Turkey were iodine deficient during all trimesters, and the deficiency increased throughout the pregnancy. Pregnant women should receive iodine supplementation, besides consuming iodized salt in borderline iodine sufficient areas.
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Affiliation(s)
- Aynur Köse Aktaş
- Department of Endocrinology and Metabolism, Ankara Training and Research Hospital, Ankara, Turkey
| | - Asena Gökçay Canpolat
- Department of Endocrinology and Metabolism, Ankara University School of Medicine, Ankara, Turkey.
| | - Ünsal Aydin
- Department of Endocrinology and Metabolism, Ankara Training and Research Hospital, Ankara, Turkey
| | - Hakkı Yilmaz
- Nephrology Clinic, Dr. Abdurrahman Yurtaslan Oncology Training, and Research Hospital, Ankara, Turkey
| | - Berna İmge Aydogan
- Department of Endocrinology and Metabolism, Ankara University School of Medicine, Ankara, Turkey
| | - Kudret Erkenekli
- Zekai Tahir Burak Women's Health Care, Education, and Research Hospital, Ankara, Turkey
| | - Gönül Koç
- Department of Endocrinology and Metabolism, Ankara Training and Research Hospital, Ankara, Turkey
| | - Yalçın Aral
- Department of Endocrinology and Metabolism, Yozgat Bozok University, Yozgat, Turkey
| | - Murat Faik Erdoğan
- Department of Endocrinology and Metabolism, Ankara University School of Medicine, Ankara, Turkey
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Wang T, Liu Y, Kong Q, Cao X, Liu Y, Xia S, Zheng T, Yu L. Effect of Moderate-to-Severe Iodine Deficiency in Early Pregnancy on Subclinical Hypothyroidism: A Longitudinal Study in an Iodine-Sufficient Region in China. Front Nutr 2022; 9:839651. [PMID: 35433796 PMCID: PMC9011046 DOI: 10.3389/fnut.2022.839651] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Accepted: 03/14/2022] [Indexed: 11/13/2022] Open
Abstract
ObjectiveTo investigate iodine status among pregnant women in an iodine-sufficient region in China after the implementation of revised universal salt iodization (USI) standards in 2012 and assess the association between urinary iodine concentrations (UIC) in early pregnancy and the incidence of subclinical hypothyroidism (SCH) in euthyroid women negative for antithyroid Ab during different trimesters.MethodsWe measured the iodine status of 1,264 pregnant women, and performed follow-up assessment of thyroid function at 20 and 30 weeks of gestation among a cohort of 250 euthyroid women. We assessed the association of UIC in the 1st trimester with the incidence of SCH in subsequent trimesters. UIC and serum free triiodothyronine (FT3), free thyroxine (FT4), thyroid-stimulating hormone (TSH), thyroid peroxidase antibody (TPOAb), and thyroglobulin antibody (TgAb) were measured.ResultsThe median UIC was 135.95 μg/L among 1,264 women. Serum FT4 level was significantly higher in the group of UIC 150 to 249 μg/L compared with other UIC groups (P < 0.001). TSH was significantly higher in the UIC more than or equal to 250 μg/L group than the UIC 150 to 249 g/L group (P = 0.043). Of the 250 euthyroid women negative for antithyroid Ab (TSH value of 2.5–3.55 mU/L) in the 1st trimester, pregnant women with UIC lower than 100 μg/L in the 1st trimester exhibited a significantly increased risk of SCH (odds ratio [OR] = 2.47; 95% confidence interval [CI] = 1.22–5.71; P = 0.012, according to the Chinese Medical Association criteria; OR = 5.22, 95% CI = 1.73–6.09, P = 0.004, according to ATA criteria) during the latter half of pregnancy compared with the UIC 150 to 249 μg/L group.ConclusionModerate-to-severe iodine deficiency (UIC lower than 100 μg/L) in the 1st trimester was associated with a significantly higher risk of SCH during the 2nd or 3rd trimesters among euthyroid pregnant women who had negative for antithyroid Ab. Women with SCH during pregnancy require regular UIC tests to maintain appropriate iodine status.
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Affiliation(s)
- Taotao Wang
- Department of Endocrinology and Clinical Nutrition, Affiliated Hospital of Jiangsu University, Zhenjiang, China
- *Correspondence: Taotao Wang
| | - Yanqiu Liu
- Department of Obstetrics, Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Qianqian Kong
- Department of Radiology, Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Xiaoxia Cao
- Department of Obstetrics, Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Yuzhou Liu
- Department of Obstetrics, Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Song Xia
- Department of Endocrinology and Clinical Nutrition, Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Tingting Zheng
- Department of Nuclear Medicine, Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Li Yu
- Department of Endocrinology and Clinical Nutrition, Affiliated Hospital of Jiangsu University, Zhenjiang, China
- Li Yu
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Lee SY, Pearce EN. Assessment and treatment of thyroid disorders in pregnancy and the postpartum period. Nat Rev Endocrinol 2022; 18:158-171. [PMID: 34983968 PMCID: PMC9020832 DOI: 10.1038/s41574-021-00604-z] [Citation(s) in RCA: 40] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 11/19/2021] [Indexed: 12/13/2022]
Abstract
Thyroid disorders are prevalent in pregnant women. Furthermore, thyroid hormone has a critical role in fetal development and thyroid dysfunction can adversely affect obstetric outcomes. Thus, the appropriate management of hyperthyroidism, most commonly caused by Graves disease, and hypothyroidism, which in iodine sufficient regions is most commonly caused by Hashimoto thyroiditis, in pregnancy is important for the health of both pregnant women and their offspring. Gestational transient thyrotoxicosis can also occur during pregnancy and should be differentiated from Graves disease. Effects of thyroid autoimmunity and subclinical hypothyroidism in pregnancy remain controversial. Iodine deficiency is the leading cause of hypothyroidism worldwide. Despite global efforts to eradicate iodine deficiency disorders, pregnant women remain at risk of iodine deficiency due to increased iodine requirements during gestation. The incidence of thyroid cancer is increasing worldwide, including in young adults. As such, the diagnosis of thyroid nodules or thyroid cancer during pregnancy is becoming more frequent. The evaluation and management of thyroid nodules and thyroid cancer in pregnancy pose a particular challenge. Postpartum thyroiditis can occur up to 1 year after delivery and must be differentiated from other forms of thyroid dysfunction, as treatment differs. This Review provides current evidence and recommendations for the evaluation and management of thyroid disorders in pregnancy and in the postpartum period.
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Affiliation(s)
- Sun Y Lee
- Section of Endocrinology, Diabetes, and Nutrition, Boston University School of Medicine, Boston, MA, USA
| | - Elizabeth N Pearce
- Section of Endocrinology, Diabetes, and Nutrition, Boston University School of Medicine, Boston, MA, USA.
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Cao C, Cui ZL, Miao J, Zhou JX, Wang XN, Jin J. The Correlation between Microalbuminuria and Thyroid Nodules in Type 2 Diabetic Mellitus. Int J Endocrinol 2022; 2022:2789279. [PMID: 35295847 PMCID: PMC8920678 DOI: 10.1155/2022/2789279] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/24/2021] [Revised: 02/15/2022] [Accepted: 02/16/2022] [Indexed: 11/17/2022] Open
Abstract
OBJECTIVE To investigate the correlation between thyroid nodules and microalbuminuria in type 2 diabetic mellitus. METHODS A total of 270 patients with type 2 diabetes at Tongzhou Branch of Dongzhimen Hospital were enrolled in this retrospective study. Data were collected from the inpatient electronic files between January 2018 and January 2020. The laboratory indexes of the two groups (thyroid nodule group with 172 cases and control group including 98 cases without thyroid nodules) were statistically analyzed by binomial logistic regression analysis and Spearman correlation analysis. RESULTS The proportion of microalbuminuria (MAU) in the thyroid nodule group was larger than that in the control group. Age, serum TT4, and FT4 in the thyroid nodule group were significantly higher compared with the control group. The binary logistic regression analysis indicated that age, sex, FT4, and MAU were the risk factors for thyroid nodule in T2DM patients. Spearman correlation analysis showed that the thyroid nodule was significantly positively correlated with MAU, age, FT4, and TT4. CONCLUSIONS MAU might be an independent risk factor for thyroid nodule in type 2 diabetic mellitus.
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Affiliation(s)
- Can Cao
- Department of Nephrology and Endocrinology, Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing, China
| | - Zhao-Li Cui
- Department of Nephrology and Endocrinology, Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing, China
| | - Juan Miao
- Department of Nephrology and Endocrinology, Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing, China
| | - Jing-Xin Zhou
- Department of Nephrology and Endocrinology, Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing, China
| | - Xiao-Nan Wang
- Department of Nephrology and Endocrinology, Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing, China
| | - Jian Jin
- Department of Nephrology and Endocrinology, Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing, China
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Candido AC, Azevedo FM, Machamba AAL, Pinto CA, Lopes SO, de Souza Macedo M, Ribeiro SAV, Priore SE, do Carmo Castro Franceschini S. Implications of iodine deficiency by gestational trimester: a systematic review. ARCHIVES OF ENDOCRINOLOGY AND METABOLISM 2021; 64:507-513. [PMID: 34033289 PMCID: PMC10118970 DOI: 10.20945/2359-3997000000289] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
As pregnant women are susceptible to changes in iodine, which can cause miscarriage, goiter, thyroid nodules, hypothyroidism, in addition to fetal neurological impairment or development. The aim of this study was to verify the implications of the iodine alteration in each gestational trimester and its consequences of physiological justification. The review was based on PRISMA. Searching for articles that took place in March 2020 without delimiting data. As bases consulted were the Clinical Trials, Cochrane Library, Lilacs and Medline (PubMed). The descriptors were combined as follows: "pregnancy" AND "iodine deficiency". Articles that addressed iodine deficiency and its implications were included. The selection followed the steps of reading the titles, abstracts and full articles. To assess the methodological quality of the studies, the STROBE Instruction instrument was used. The research resulted in 1,266 studies and 11 were included. In assessing methodological quality, the lowest score was and the maximum 20. According to studies, the fourth most affected by iodine loss are the second and third, it is possible to increase the volume and pneumatic nodules, subclinical hypothyroidism, pre-eclampsia, among others. The damages caused by iodine deficiency in the first or second trimester are still reversible, therefore, they need to be diagnosed early, to guarantee an iodic homeostasis and prevent damage to the health of the mother-child binomial.
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Affiliation(s)
- Aline Carare Candido
- Departamento de Nutrição e Saúde, Universidade Federal de Viçosa (UFV), Viçosa, MG, Brasil,
| | | | | | - Carina Aparecida Pinto
- Departamento de Nutrição e Saúde, Universidade Federal de Viçosa (UFV), Viçosa, MG, Brasil
| | - Sílvia Oliveira Lopes
- Departamento de Nutrição e Saúde, Universidade Federal de Viçosa (UFV), Viçosa, MG, Brasil
| | | | | | - Silvia Eloiza Priore
- Departamento de Nutrição e Saúde, Universidade Federal de Viçosa (UFV), Viçosa, MG, Brasil
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Papaleontiou M, Haymart MR. Thyroid nodules and cancer during pregnancy, post-partum and preconception planning: Addressing the uncertainties and challenges. Best Pract Res Clin Endocrinol Metab 2020; 34:101363. [PMID: 31786102 PMCID: PMC7242146 DOI: 10.1016/j.beem.2019.101363] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
Thyroid nodules and thyroid cancer have become increasingly common worldwide. When discovered during pregnancy, they pose unique diagnostic and therapeutic challenges for both the treating physician and the patient. The benefits of treatment should be carefully weighed against risks that may adversely impact maternal and fetal health. In this review, we present current knowledge and controversies surrounding the management of thyroid nodules and thyroid cancer in pregnancy, in the post-partum period and during preconception planning.
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Affiliation(s)
- Maria Papaleontiou
- Medicine, Division of Metabolism, Endocrinology, and Diabetes, Department of Internal Medicine, University of Michigan Health System, North Campus Research Complex, 2800 Plymouth Road, Bldg 16, Rm 453S, Ann Arbor, MI 48109, USA.
| | - Megan R Haymart
- Medicine, Divisions of Metabolism, Endocrinology, and Diabetes and Hematology/Oncology, Department of Internal Medicine, University of Michigan Health System, North Campus Research Complex, 2800 Plymouth Rd., Bldg. 16, Rm 408E, Ann Arbor, MI 48109, USA.
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Shokri S, Hekmatnia A, Farghadani M, Aminorroaya A, Amini M, Kianpour M, Akbari M, Hekmatnia F. Thyroid volume and nodular and diffuse thyroid diseases by ultrasonography in pregnant women: A case-control study. JOURNAL OF RESEARCH IN MEDICAL SCIENCES 2020; 25:13. [PMID: 32174985 PMCID: PMC7053162 DOI: 10.4103/jrms.jrms_42_18] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 03/18/2018] [Revised: 07/17/2018] [Accepted: 10/11/2019] [Indexed: 11/04/2022]
Abstract
Background Currently, it is shown that pregnancy may have an impact on the thyroid that can be leading to pregnancy complications such as abortion, preeclampsia, and preterm delivery. The objective was to compare the thyroid volume, number and characteristics of thyroid nodules, and prevalence of diffuse thyroid diseases in a sample of Iranian pregnant women in the first trimester to nonpregnant women. Materials and Methods This case-control study was conducted on 298 pregnant and 290 nonpregnant women. Thyroid volume, maximum diameter of thyroid nodules and prevalence of moderate to highly suspicious thyroid nodules, Hashimoto's appearance and goiter were assessed using thyroid ultrasonography. Antithyroperoxidase (TPO) antibodies were measured if the sonographic features were highly suggested for Hashimoto's thyroiditis. Results The mean of total thyroid volume in pregnant and nonpregnant women was 6 and 6.5 ml, respectively (P = 0.053), and the median (interquartile range) was 6.2 and 5.5, respectively. Nodules were observed in 16.4% of pregnant and 16.6% of nonpregnant women (P = 0.845). Hashimoto's thyroiditis was detected in 6.7% of pregnant and 12.4% of nonpregnant women (P = 0.013). Anti-TPO antibodies were detected in 5% of pregnant and 9.3% of nonpregnant women (P = 0.034). Conclusion The thyroid volume and nodule characteristics in the first trimester of pregnancy were similar to nonpregnant women. Hashimoto's thyroiditis and anti-TPO antibodies in pregnant women were significantly lower than in nonpregnant women.
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Affiliation(s)
- Saeideh Shokri
- Department of Radiology, School of Medical Sciences, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Ali Hekmatnia
- Department of Radiology, Signal and Image Processing Research Centre, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Maryam Farghadani
- Department of Radiology, School of Medical Sciences, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Ashraf Aminorroaya
- Isfahan Endocrine and Metabolism Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Masoud Amini
- Isfahan Endocrine and Metabolism Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Maryam Kianpour
- Isfahan Endocrine and Metabolism Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Mojtaba Akbari
- Department of Epidemiology, School of Health, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Farzaneh Hekmatnia
- Department of Medicine, Southend University Hospital, Southend-on Sea, United Kingdom, Southend University Hospital, Westcliff-on-Sea, England, UK
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Abstract
This study was a brief review of maternal and fetal thyroid function and pathology during pregnancy.
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Toloza FJK, Motahari H, Maraka S. Consequences of Severe Iodine Deficiency in Pregnancy: Evidence in Humans. Front Endocrinol (Lausanne) 2020; 11:409. [PMID: 32636808 PMCID: PMC7318882 DOI: 10.3389/fendo.2020.00409] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/02/2020] [Accepted: 05/21/2020] [Indexed: 11/13/2022] Open
Abstract
Iodine is a necessary micronutrient for the production of thyroid hormones and normal human development. Despite the significant worldwide strategies for the prevention and control of iodine deficiency, it is still a prevalent public health issue, especially in pregnant women. Severe iodine deficiency during pregnancy and neonatal period is associated with many major and irreversible adverse effects, including an increased risk of pregnancy loss and infant mortality, neonatal hypothyroidism, cretinism, and neuropsychomotor retardation. We will review the impact of severe iodine deficiency on maternofetal, neonatal, and offspring outcomes. We will also discuss its epidemiology, classification of iodine deficiency severity, and current recommendations to prevent iodine deficiency in childbearing age and pregnant women.
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Affiliation(s)
- Freddy J. K. Toloza
- Division of Endocrinology and Metabolism, University of Arkansas for Medical Sciences, Little Rock, AR, United States
- Division of Endocrinology, Diabetes, Metabolism and Nutrition, Department of Medicine, Mayo Clinic, Knowledge and Evaluation Research Unit in Endocrinology (KER-Endo), Rochester, MN, United States
| | - Hooman Motahari
- Division of Endocrinology and Metabolism, University of Arkansas for Medical Sciences, Little Rock, AR, United States
| | - Spyridoula Maraka
- Division of Endocrinology and Metabolism, University of Arkansas for Medical Sciences, Little Rock, AR, United States
- Division of Endocrinology, Diabetes, Metabolism and Nutrition, Department of Medicine, Mayo Clinic, Knowledge and Evaluation Research Unit in Endocrinology (KER-Endo), Rochester, MN, United States
- Central Arkansas Veterans Healthcare System, Little Rock, AR, United States
- *Correspondence: Spyridoula Maraka
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Abstract
Thyroid nodules and thyroid cancer are common conditions and may be identified during pregnancy. The comprehensive evaluation of thyroid nodules during pregnancy includes a medical history, physical examination, ultrasound assessment, and (when indicated) an ultrasound-guided fine-needle aspiration biopsy. Most thyroid cancers detected during pregnancy will not grow nor pose significant risk during gestation, and thyroid surgery in pregnant women poses higher risks than in nonpregnant women. Through a balanced and informed approach to the clinical care of this unique population, outcomes can be optimized for both the mother and the fetus.
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Affiliation(s)
- Trevor E Angell
- Division of Endocrinology and Diabetes, Keck School of Medicine of the University of Southern California, 1333 San Pablo Avenue, BMT-B11, Los Angeles, CA 90033, USA
| | - Erik K Alexander
- The Thyroid Section, Division of Endocrinology, Diabetes, and Hypertension, Brigham & Women's Hospital, Harvard Medical School, 75 Francis Street, Thorn Building 1st Floor, Room 126. Boston, MA 02115, USA.
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Excessive iodine intake is associated with formation of thyroid nodules in pregnant Chinese women. Nutr Res 2019; 66:61-67. [DOI: 10.1016/j.nutres.2019.02.009] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2018] [Revised: 01/04/2019] [Accepted: 02/27/2019] [Indexed: 02/08/2023]
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Ollero MD, Toni M, Pineda JJ, Martínez JP, Espada M, Anda E. Thyroid Function Reference Values in Healthy Iodine-Sufficient Pregnant Women and Influence of Thyroid Nodules on Thyrotropin and Free Thyroxine Values. Thyroid 2019; 29:421-429. [PMID: 30693851 DOI: 10.1089/thy.2018.0324] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
BACKGROUND Thyroid function assessment in pregnancy requires specific reference intervals stratified by gestational age and according to each laboratory method. Thyroid nodules may influence thyroid function in pregnant women. The aims of this study were to define the reference values of thyrotropin (TSH) and free thyroxine (fT4) in the three pregnancy trimesters in iodine-sufficient pregnant women, and to analyze the influence of thyroid nodules on thyroid function during pregnancy. METHODS This was a prospective, longitudinal study comprising 400 pregnant women with no history of thyroid disease and no medication influencing thyroid function. TSH, fT4, antithyroglobulin, and antithyroid peroxidase antibodies were measured each trimester by chemiluminescent immunoassays. Urinary iodine concentration was measured in the first trimester when a thyroid echography was also performed. Women with multiple gestation pregnancies, positive thyroid autoimmunity, TSH values >5 or <0.1 mIU/L with a simultaneous fT4 level above the general population reference value in the first trimester, or clinically significant thyroid nodules (nodules ≥1 cm and/or multiple nodules) were excluded to establish TSH and fT4 reference values. RESULTS Reference intervals in the first, second, and third trimesters were 0.13-4.16, 0.31-3.73, and 0.58-4.36 mIU/L, respectively, for TSH, and 0.85-1.24, 0.82-1.20, and 0.67-1.06 ng/dL, respectively, for fT4. The total prevalence of thyroid nodules was 28.8% [95% confidence interval (CI) 24.4-33.5%], and 6.0% of the participants showed clinically significant nodules. Pregnant women with thyroid nodules (n = 115) showed consistently lower TSH values during all pregnancy stages (first trimester: median 1.14 mIU/L [interquartile range (IQR) 0.53-1.75 mIU/L] vs. 1.48 mIU/L [IQR 0.94-2.19 mIU/L], p < 0.001; second trimester: 1.22 mIU/L [IQR 0.66-1.77 mIU/L] vs. 1.45 mIU/L [1.04-2.05 mIU/L], p = 0.001; third trimester: 1.74 mIU/L [IQR 1.08-2.36 mIU/L] vs. 1.93 mIU/L [IQR 1.37-2.58 mIU/L], p = 0.041) and higher fT4 values in the first trimester (M ± SD = 1.08 ± 0.14 ng/dL vs. 1.03 ± 0.12, p < 0.001) compared to those without nodules (n = 285). Both pregnant women with clinically significant thyroid nodules and those with nonsignificant ones had lower TSH values than women without nodules. CONCLUSIONS TSH/fT4 reference intervals in pregnant women from the authors' geographical area will thyroid dysfunction in pregnancy to be appropriately diagnosed. The prevalence of thyroid nodules is high in iodine-sufficient pregnant women, and is associated with low TSH values across pregnancy.
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Affiliation(s)
- M Dolores Ollero
- 1 Department of Endocrinology and Nutrition, Complejo Hospitalario de Navarra (CHN); Hospital García Orcoyen; Instituto de Investigación Sanitaria de Navarra (IdisNa), Navarra, Spain
| | - Marta Toni
- 2 Section of Endocrinology, Hospital García Orcoyen; Instituto de Investigación Sanitaria de Navarra (IdisNa), Navarra, Spain
| | - José Javier Pineda
- 1 Department of Endocrinology and Nutrition, Complejo Hospitalario de Navarra (CHN); Hospital García Orcoyen; Instituto de Investigación Sanitaria de Navarra (IdisNa), Navarra, Spain
| | - Juan Pablo Martínez
- 2 Section of Endocrinology, Hospital García Orcoyen; Instituto de Investigación Sanitaria de Navarra (IdisNa), Navarra, Spain
| | - Mercedes Espada
- 3 Clinical Chemistry Unit, Public Health Laboratory of Basque Government, Derio, Spain
| | - Emma Anda
- 1 Department of Endocrinology and Nutrition, Complejo Hospitalario de Navarra (CHN); Hospital García Orcoyen; Instituto de Investigación Sanitaria de Navarra (IdisNa), Navarra, Spain
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Menene NMD, Yixuan WMD, Bidingija MMD, Fei LMD, Bei WMD, Kasangye KMD, Geoffrey JCMD, Lin LMD, Mvuezolo MMD, Hongyu DMD, Hongjun SMD. Ultrasonographic Assessment of Thyroid Nodules in Two Groups of Pregnant Women: Is the Nodular Phenotypic Expression Dependent on Obstetric and/or Environmental Factors? ADVANCED ULTRASOUND IN DIAGNOSIS AND THERAPY 2018. [DOI: 10.37015/audt.2018.180002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
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Vannucchi G, Covelli D, Vigo B, Perrino M, Mondina L, Fugazzola L. Thyroid volume and serum calcitonin changes during pregnancy. J Endocrinol Invest 2017; 40:727-732. [PMID: 28229359 DOI: 10.1007/s40618-017-0622-1] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/01/2016] [Accepted: 01/19/2017] [Indexed: 02/08/2023]
Abstract
BACKGROUND Pregnancy has a profound impact on thyroid homeostasis which results in change of thyroid function and thyroid volume (TV). Moreover, calcitonin (CT), and its gene-related peptide have been demonstrated to play an important role in the implantation process. PURPOSE To evaluate changes in TV and serum CT levels during pregnancy. METHODS One hundred and fifty-five pregnant women were consecutively enrolled at the first trimester of gestation and underwent clinical, biochemical and sonographic assessment at enrollment, at the second and third trimesters and at 6 months after delivery. RESULTS Throughout gestation serum TSH exceeded the upper specific first trimester cut-off in 5% of patients. TV significantly increased at the third trimester of gestation and returned to baseline levels at 6 months after delivery, while serum CT levels did not show significant changes. TV directly correlated with BMI or gestational weight gain at each trimester of pregnancy, while no significant association between serum CT levels and either weight or TV were found. Finally, in none of the patients with nodular goiter an increase in the volume of the nodules was noted. The appearance of a nodule was recorded during the second trimester in one patient. CONCLUSION This study confirms a prevalence of thyroid autoimmunity/hypertropinemia in 3-5% of pregnant women and shows that serum CT does not change in relation to the transient increase in TV occurring during gestation. An adequate daily iodine supplementation might be particularly useful during pregnancy to limit the TSH increase and the resulting thyroid gland and nodule enlargement.
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Affiliation(s)
- G Vannucchi
- Department of Endocrine and Metabolic Diseases, IRCCS Istituto Auxologico Italiano, Milan, Italy.
- Endocrine Unit, Padiglione Granelli, Fondazione IRCCS Ca' Granda, Via F. Sforza, 35, 20122, Milan, Italy.
| | - D Covelli
- Endocrine Unit, Padiglione Granelli, Fondazione IRCCS Ca' Granda, Via F. Sforza, 35, 20122, Milan, Italy
| | - B Vigo
- Endocrine Unit, Padiglione Granelli, Fondazione IRCCS Ca' Granda, Via F. Sforza, 35, 20122, Milan, Italy
| | - M Perrino
- Endocrine Unit, Padiglione Granelli, Fondazione IRCCS Ca' Granda, Via F. Sforza, 35, 20122, Milan, Italy
| | - L Mondina
- Family Counselling Center, Milan, Italy
| | - L Fugazzola
- Department of Endocrine and Metabolic Diseases, IRCCS Istituto Auxologico Italiano, Milan, Italy
- Department of Pathophysiology and Transplantation, University of Milan, Milan, Italy
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Alexander EK, Pearce EN, Brent GA, Brown RS, Chen H, Dosiou C, Grobman WA, Laurberg P, Lazarus JH, Mandel SJ, Peeters RP, Sullivan S. 2017 Guidelines of the American Thyroid Association for the Diagnosis and Management of Thyroid Disease During Pregnancy and the Postpartum. Thyroid 2017; 27:315-389. [PMID: 28056690 DOI: 10.1089/thy.2016.0457] [Citation(s) in RCA: 1293] [Impact Index Per Article: 184.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
BACKGROUND Thyroid disease in pregnancy is a common clinical problem. Since the guidelines for the management of these disorders by the American Thyroid Association (ATA) were first published in 2011, significant clinical and scientific advances have occurred in the field. The aim of these guidelines is to inform clinicians, patients, researchers, and health policy makers on published evidence relating to the diagnosis and management of thyroid disease in women during pregnancy, preconception, and the postpartum period. METHODS The specific clinical questions addressed in these guidelines were based on prior versions of the guidelines, stakeholder input, and input of task force members. Task force panel members were educated on knowledge synthesis methods, including electronic database searching, review and selection of relevant citations, and critical appraisal of selected studies. Published English language articles were eligible for inclusion. The American College of Physicians Guideline Grading System was used for critical appraisal of evidence and grading strength of recommendations. The guideline task force had complete editorial independence from the ATA. Competing interests of guideline task force members were regularly updated, managed, and communicated to the ATA and task force members. RESULTS The revised guidelines for the management of thyroid disease in pregnancy include recommendations regarding the interpretation of thyroid function tests in pregnancy, iodine nutrition, thyroid autoantibodies and pregnancy complications, thyroid considerations in infertile women, hypothyroidism in pregnancy, thyrotoxicosis in pregnancy, thyroid nodules and cancer in pregnant women, fetal and neonatal considerations, thyroid disease and lactation, screening for thyroid dysfunction in pregnancy, and directions for future research. CONCLUSIONS We have developed evidence-based recommendations to inform clinical decision-making in the management of thyroid disease in pregnant and postpartum women. While all care must be individualized, such recommendations provide, in our opinion, optimal care paradigms for patients with these disorders.
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Affiliation(s)
- Erik K Alexander
- 1 Division of Endocrinology, Diabetes and Hypertension, Brigham and Women's Hospital and Harvard Medical School , Boston, Massachusetts
| | - Elizabeth N Pearce
- 2 Section of Endocrinology, Diabetes, and Nutrition, Boston University School of Medicine , Boston, Massachusetts
| | - Gregory A Brent
- 3 Department of Medicine, VA Greater Los Angeles Healthcare System and David Geffen School of Medicine at UCLA , Los Angeles, California
| | - Rosalind S Brown
- 4 Division of Endocrinology, Boston Children's Hospital , Harvard Medical School, Boston, Massachusetts
| | - Herbert Chen
- 5 Department of Surgery, University of Alabama at Birmingham , Birmingham, Alabama
| | - Chrysoula Dosiou
- 6 Division of Endocrinology, Stanford University School of Medicine , Stanford, California
| | - William A Grobman
- 7 Department of Obstetrics and Gynecology, Northwestern University , Chicago, Illinois
| | - Peter Laurberg
- 8 Departments of Endocrinology & Clinical Medicine, Aalborg University Hospital , Aalborg, Denmark
| | - John H Lazarus
- 9 Institute of Molecular Medicine, Cardiff University , Cardiff, United Kingdom
| | - Susan J Mandel
- 10 Division of Endocrinology, Diabetes and Metabolism, Perelman School of Medicine, University of Pennsylvania , Philadelphia, Pennsylvania
| | - Robin P Peeters
- 11 Department of Internal Medicine and Rotterdam Thyroid Center, Erasmus Medical Center , Rotterdam, The Netherlands
| | - Scott Sullivan
- 12 Department of Obstetrics and Gynecology, Medical University of South Carolina , Charleston, South Carolina
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Solymosi T, Melczer Z, Szabolcs I, Nagy EV, Goth M. Percutaneous Ethanol Sclerotherapy of Symptomatic Nodules Is Effective and Safe in Pregnant Women: A Study of 13 Patients with an Average Follow-Up of 6.8 Years. Int J Endocrinol 2015; 2015:765950. [PMID: 26697066 PMCID: PMC4677206 DOI: 10.1155/2015/765950] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/05/2015] [Revised: 10/23/2015] [Accepted: 11/03/2015] [Indexed: 02/08/2023] Open
Abstract
Background. Because of the increased risk of surgery, thyroid nodules causing compression signs and/or hyperthyroidism are concerning during pregnancy. Patients and Methods. Six patients with nontoxic cystic, four with nontoxic solid, and three with overt hyperthyroidism caused by toxic nodules were treated with percutaneous ethanol injection therapy (PEI). An average of 0.68 mL ethanol per 1 mL nodule volume was administered. Mean number of PEI treatments for patients was 2.9. Success was defined as the shrinkage of the nodule by more than 50% of the pretreatment volume (V0) and the normalization of TSH and FT4 levels. The average V0 was 15.3 mL. Short-term success was measured prior to labor, whereas long-term success was determined during the final follow-up (an average of 6.8 years). Results. The pressure symptoms decreased in all but one patient after PEI and did not worsen until delivery. The PEI was successful in 11 (85%) and 7 (54%) patients at short-term and long-term follow-up, respectively. Three patients underwent repeat PEI which was successful in 2 patients. Conclusions. PEI is a safe tool and seems to have good short-term results in treating selected symptomatic pregnant patients. Long-term success may require repeat PEI.
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Affiliation(s)
- Tamas Solymosi
- Thyroid Outpatient Department, Bugat Hospital, 6 Fenyves Street, Gyongyos, Matrafured 3232, Hungary
- *Tamas Solymosi:
| | - Zsolt Melczer
- Department of Obstetrics and Gynecology, Semmelweis University, Üllői Street 78/A, Budapest 1082, Hungary
| | - Istvan Szabolcs
- Division of Endocrinology, Medical Centre of Hungarian Defense Forces, 44 Robert Karoly Avenue, Budapest 1134, Hungary
| | - Endre V. Nagy
- Division of Endocrinology, Department of Medicine, Faculty of Medicine, University of Debrecen, Nagyerdei Square 94, Debrecen 4032, Hungary
| | - Miklos Goth
- Division of Endocrinology, Medical Centre of Hungarian Defense Forces, 44 Robert Karoly Avenue, Budapest 1134, Hungary
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