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Toro-Tobon D, Brito JP. Controversies in the Management of Intermediate-Risk Differentiated Thyroid Cancer. Endocr Pract 2024; 30:879-886. [PMID: 38876179 DOI: 10.1016/j.eprac.2024.06.003] [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: 04/12/2024] [Revised: 05/30/2024] [Accepted: 06/06/2024] [Indexed: 06/16/2024]
Abstract
BACKGROUND Intermediate-risk thyroid cancer accounts for up to two-thirds of all cases of differentiated thyroid cancer (DTC), yet it is subject to substantial variations in risk stratification and management strategies. METHODS This comprehensive review examines the current controversies regarding diagnosis and management of intermediate risk DTC. RESULTS The evolution of risk stratification systems is discussed, highlighting limitations such as heterogeneity in patient cohorts, variability in outcome definitions, and the need for more precise risk estimation tools incorporating genetic profiles and individual risk modifiers. The role of radioactive iodine therapy in intermediate-risk DTC is examined, considering evolving evidence, conflicting study results, and the necessity for personalized treatment decisions based on risk modifiers, potential morbidity, and patient preferences. Furthermore, the shift from total thyroidectomy to lobectomy in certain intermediate-risk cases is explored, emphasizing the need for tailored surgical approaches and the impact on long-term outcomes, recurrence rates, and quality of life. CONCLUSION Management of intermediate-risk DTC remains controversial. This review summarizes current evidence to aid decision-making. Further research, prospective trials, and collaboration are crucial to address these complexities and personalize care for patients.
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Affiliation(s)
- David Toro-Tobon
- Division of Endocrinology, Diabetes, Metabolism and Nutrition, Department of Medicine, Mayo Clinic, Rochester
| | - Juan P Brito
- Division of Endocrinology, Diabetes, Metabolism and Nutrition, Department of Medicine, Mayo Clinic, Rochester; Knowledge and Evaluation Research Unit in Endocrinology, Mayo Clinic, Rochester, Minnesota.
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Paz-Ibarra J, Concepción-Zavaleta MJ, Quiroz-Aldave JE. Environmental factors related to the origin and evolution of differentiated thyroid cancer: a narrative review. Expert Rev Endocrinol Metab 2024:1-9. [PMID: 38975697 DOI: 10.1080/17446651.2024.2377687] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/08/2024] [Accepted: 07/04/2024] [Indexed: 07/09/2024]
Abstract
INTRODUCTION The global incidence of thyroid cancer (TC) has increased in the last decades. While improvements in diagnosis may contribute, overdiagnosis is also a possibility. This review focuses on the epidemiology, risk factors, and immune microenvironment associated with differentiated TC (DTC). AREAS COVERED A search was conducted in Scielo, Scopus, and EMBASE databases, involving 72 articles. TC is the most common endocrine neoplasm, with DTC form being predominant. Its incidence has globally risen, particularly among women aged over 45. Endogenous risk factors for DTC include genetic disorders, race, age, female gender, obesity, and type 2 diabetes mellitus. Environmental risks involve ionizing radiation, whether through therapeutic treatment or environmental contamination from nuclear accidents, iodine deficiency, endocrine disruptors, residence in volcanic areas, environmental pollution, and stress. The use of anti-obesity medications remains controversial. The tumor's immune microenvironment is the histological space where tumor cells interact with host cells, crucial for understanding aggressiveness. Immunotherapy emerges as a promising intervention. EXPERT OPINION Recent advances in DTC management offer transformative potential, requiring collaborative efforts for implementation. Emerging areas like precision medicine, molecular profiling, and immunotherapy present exciting prospects for future exploration, shaping the next era of diagnostic and therapeutic strategies in thyroid cancer research.
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Affiliation(s)
- José Paz-Ibarra
- Department of Medicine, School of Medicine, Universidad Nacional Mayor de San Marcos, Lima, Peru
- Division of Endocrinology, Hospital Nacional Edgardo Rebagliati Martins, Lima, Perú
| | | | - Juan Eduardo Quiroz-Aldave
- Division of Non-communicable diseases, Endocrinology research line, Hospital de Apoyo Chepén, Chepén, Perú
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Zheng K, Liu X, Li Y, Cui J, Li W. CT-based muscle and adipose measurements predict prognosis in patients with digestive system malignancy. Sci Rep 2024; 14:13036. [PMID: 38844600 PMCID: PMC11156914 DOI: 10.1038/s41598-024-63806-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2024] [Accepted: 06/03/2024] [Indexed: 06/09/2024] Open
Abstract
The role of skeletal muscle and adipose tissue in the progression of cancer has been gradually discussed, but it needs further exploration. The objective of this study was to provide an in-depth analysis of skeletal muscle and fat in digestive malignancies and to construct novel predictors for clinical management. This is a retrospective study that includes data from Cancer Center, the First Hospital of Jilin University. Basic characteristic information was analyzed by T tests. Correlation matrices were drawn to explore the relationship between CT-related indicators and other indicators. Cox risk regression analyses were performed to analyze the association between the overall survivals (OS) and various types of indicators. A new indicator body composition score (BCS) was then created and a time-dependent receiver operating characteristic curve was plotted to analyze the efficacy of the BCS. Finally, a nomogram was produced to develop a scored-CT system based on BCS and other indicators. C-index and calibration curve analyses were performed to validate the predictive accuracy of the scored-CT system. A total of 575 participants were enrolled in the study. Cox risk regression model revealed that VFD, L3 SMI and VFA/SFA were associated with prognosis of cancer patients. After adjustment, BCS index based on CT was significantly associated with prognosis, both in all study population and in subgroup analysis according to tumor types (all study population: HR 2.036, P < 0.001; colorectal cancer: HR 2.693, P < 0.001; hepatocellular carcinoma: HR 4.863, P < 0.001; esophageal cancer: HR 4.431, P = 0.008; pancreatic cancer: HR 1.905, P = 0.016; biliary system malignancies: HR 23.829, P = 0.035). The scored-CT system was constructed according to tumor type, stage, KPS, PG-SGA and BCS index, and it was of great predictive validity. This study identified VFD, L3 SMI and VFA/SFA associated with digestive malignancies outcomes. BCS was created and the scored-CT system was established to predict the OS of cancer patients.
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Affiliation(s)
- Kaiwen Zheng
- Cancer Center, The First Hospital of Jilin University, Xinmin St No 126, Changchun, 130021, Jilin, China
| | - Xiangliang Liu
- Cancer Center, The First Hospital of Jilin University, Xinmin St No 126, Changchun, 130021, Jilin, China
| | - Yuguang Li
- College of Instrumentation and Electrical Engineering, Jilin University, Changchun, Jilin, China
| | - Jiuwei Cui
- Cancer Center, The First Hospital of Jilin University, Xinmin St No 126, Changchun, 130021, Jilin, China.
| | - Wei Li
- Cancer Center, The First Hospital of Jilin University, Xinmin St No 126, Changchun, 130021, Jilin, China.
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Huang X, Han Y, Yang J, Bu L, Cheng X, Zha X, Chen H, Huang Y, Qu S. Sex-dependent impact of obesity on aggressiveness of papillary thyroid cancer. Hormones (Athens) 2024; 23:217-225. [PMID: 38112916 DOI: 10.1007/s42000-023-00517-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Accepted: 12/08/2023] [Indexed: 12/21/2023]
Abstract
PURPOSE To investigate the impact of body mass index (BMI) on the aggressiveness of papillary thyroid cancer (PTC). METHODS A total of 1720 PTC patients with total thyroidectomy or lobectomy, from January 2017 to April 2020, were retrospectively evaluated. Based on BMI, they were divided into two groups, as follows: control (CON, < 24 kg/m2) and overweight and obesity (OB, ≥ 24 kg/m2), each sex being analyzed separately. RESULTS In the whole cohort, the OB group had significantly higher rates of extrathyroidal extension (21.5 vs. 16.8%, p = 0.013), multifocality (43.2 vs. 37.7%, p = 0.018), and BRAF-V600E mutation (82.9 vs. 79.3%, p = 0.015) than the CON group. In males, the OB group had increased rates of tumor size over 1cm (54.4 vs. 42.7%, p = 0.008), extrathyroidal extension (24.9 vs. 12.4%, p = 0.001), and multifocality (42.7 vs. 33.5%, p = 0.038). The OB group had significantly higher adjusted odds ratios (ORs) of 1.63 (1.14-2.33, p = 0.008), 2.12 (1.26-3.57, p = 0.005), and 1.56 (1.07-2.29, p = 0.022) for tumor size over 1cm, extrathyroidal extension, and multifocality compared with CON. Additionally, overweight and obesity were analyzed alone and the rates of extrathyroidal extension (30/100, 30.0%, p = 0.001) and tumor size over 1cm (65/100, 65.0%, p = 0.001) were significantly higher in the obesity group than in the overweight and CON groups. The obesity group had robust higher adjusted ORs of 2.51(1.50-4.20, p < 0.001), 2.93 (1.50-5.73, p = 0.002) and 1.89 (1.11-3.22, p = 0.020) for tumor size over 1cm, extrathyroidal extension, and multifocality compared with CON. CONCLUSIONS Overweight and obesity were predominant independent risk factors for PTC aggressiveness in males. These data indicated that the therapeutic treatment should be based on risk stratification by BMI in males.
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Affiliation(s)
- Xiu Huang
- Department of Endocrinology and Metabolism, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai, 200072, People's Republic of China
- Shanghai Center of Thyroid Diseases, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai, 200072, People's Republic of China
| | - Yali Han
- Department of Endocrinology and Metabolism, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai, 200072, People's Republic of China
- Shanghai Center of Thyroid Diseases, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai, 200072, People's Republic of China
| | - Jie Yang
- Department of Thoracic Surgery, Shanghai Pulmonary Hospital, School of Medicine, Tongji University, Shanghai, 200433, People's Republic of China
| | - Le Bu
- Department of Endocrinology and Metabolism, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai, 200072, People's Republic of China
| | - Xiaoyun Cheng
- Department of Endocrinology and Metabolism, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai, 200072, People's Republic of China
| | - Xiaojuan Zha
- Department of Endocrinology and Metabolism, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai, 200072, People's Republic of China
- Shanghai Center of Thyroid Diseases, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai, 200072, People's Republic of China
| | - Haibing Chen
- Department of Endocrinology and Metabolism, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai, 200072, People's Republic of China
| | - Yueye Huang
- Department of Endocrinology and Metabolism, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai, 200072, People's Republic of China.
- Shanghai Center of Thyroid Diseases, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai, 200072, People's Republic of China.
| | - Shen Qu
- Department of Endocrinology and Metabolism, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai, 200072, People's Republic of China.
- Shanghai Center of Thyroid Diseases, Shanghai Tenth People's Hospital, School of Medicine, Tongji University, Shanghai, 200072, People's Republic of China.
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Abiri B, Ahmadi AR, Valizadeh A, Abbaspour F, Valizadeh M, Hedayati M. Obesity and thyroid cancer: unraveling the connection through a systematic review and meta-analysis of cohort studies. J Diabetes Metab Disord 2024; 23:461-474. [PMID: 38932807 PMCID: PMC11196530 DOI: 10.1007/s40200-024-01425-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/15/2023] [Accepted: 03/21/2024] [Indexed: 06/28/2024]
Abstract
Background The relationship between adiposity indicators and thyroid cancer (TC) risk has garnered increasing attention due to the rising prevalence of obesity and its potential impact on cancer incidence. We conducted a comprehensive meta-analysis to investigate this association across various effect measures. Method Until July 2022, a comprehensive search of databases was conducted to identify cohort studies that assessed the association between adiposity and the development of TC. Meta-analysis was performed using random effects models. Subgroup analyses were conducted to explore heterogeneity. Publication bias was assessed using Begg's tests. Results A systematic literature search identified 27 eligible studies reporting odds ratios (OR), relative risks (RR), or hazard ratios (HR) as effect measures. Pooling the studies irrespective of the effect measure, a significant positive association between adiposity indicators and TC risk was observed, yielding an effect estimate of 1.16 (95% CI 1.12-1.21). The combined effect estimate for OR/RR studies was 1.10 (95%CI 1.04-1.17), while HR studies yielded an effect estimate of 1.20 (95%CI 1.13-1.26). Subgroup analyses revealed associations across different age groups, obesity indices, and regions, with some variations based on effect measure. Meta-regression identified follow-up duration as a confounding factor only in HR studies. Conclusion The synthesis of 27 studies with diverse designs and populations underscores a robust positive association between adiposity and TC risk, providing compelling evidence for the potential role of increased adiposity in TC development. Supplementary Information The online version contains supplementary material available at 10.1007/s40200-024-01425-3.
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Affiliation(s)
- Behnaz Abiri
- Obesity Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | | | - Ali Valizadeh
- Obesity Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- Department of Industrial Engineering, Iran University of Science and Technology, Tehran, Iran
| | - Faeze Abbaspour
- Obesity Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Majid Valizadeh
- Obesity Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mehdi Hedayati
- Cellular and Molecular Endocrine Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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Yan W, Luo X, Gao QJ, Chen BF, Ye H. Analysis of Body Mass Index and Clinicopathological Factors in Patients with Papillary Thyroid Carcinoma. Diabetes Metab Syndr Obes 2024; 17:2013-2019. [PMID: 38765470 PMCID: PMC11100954 DOI: 10.2147/dmso.s453468] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/05/2023] [Accepted: 04/29/2024] [Indexed: 05/22/2024] Open
Abstract
Objective To analyze the correlation between body mass index (BMI) and clinicopathological factors of papillary thyroid cancer (PTC). Methods The clinical data of patients with PCT who were hospitalized in the Department of Thyroid Surgery of the Affiliated Hospital of Guizhou Medical University from March 2023 to September 2023 were retrospectively collected, including age, gender, height, weight, BMI, v-raf murine sarcoma viral oncogene homolog B (BRAF) gene mutation, tumor size, multifocus, Hashimoto's thyroiditis, lymph node metastasis and other clinicopathological factors. According to the World Health Organization (WHO) definition for Asian population, BMI≥25kg/m2 was obese group, 23≤BMI≤24.9kg/m2 was overweight group, 18.5≤BMI≤22.9kg/m2 was normal weight group, and BMI≤18.5kg/m2 was low weight group. The clinicopathological factors of overweight and obese patients with PTC were analyzed. Results A total of 164 PTC patients were included, with an average BMI of (24.44±3.57) kg/m2. Age of overweight and obese PTC patients (Z=1.978, p=0.083); Gender of overweight and obese PTC patients (χ2 value: 11.570, p=0.004); Tumor size in overweight and obese PTC patients (Z=0.894, p=0.411); BRAF gene mutation in overweight and obese PTC patients (χ2 value: 1.452, p =0.623); Multifocal lesions were found in overweight and obese patients (χ2 value: 1.653, p =0.201). Hashimoto's thyroiditis was found in overweight and obese PTC patients (χ2 value: 1.147, p=0.298). Overweight and obese patients with PTC had lymph node metastasis (χ2 value: 1.690, p =0.251). Conclusion Overweight and obesity in PTC patients are correlated with male, but not with age, tumor size, BRAF mutation, multifocality, Hashimoto's thyroiditis and lymph node metastasis.
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Affiliation(s)
- Wei Yan
- Department of Thyroid Surgery, Affiliated Hospital of Guizhou Medical University, Guiyang, 550001, People’s Republic of China
| | - Xue Luo
- Department of Thyroid Surgery, Affiliated Hospital of Guizhou Medical University, Guiyang, 550001, People’s Republic of China
| | - Qing-Jun Gao
- Department of Thyroid Surgery, Affiliated Hospital of Guizhou Medical University, Guiyang, 550001, People’s Republic of China
| | - Bing-Feng Chen
- Guizhou Medical University, Guiyang, 550001, People’s Republic of China
| | - Hui Ye
- Department of Thyroid Surgery, Affiliated Hospital of Guizhou Medical University, Guiyang, 550001, People’s Republic of China
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Abu Arar Y, Shilo M, Bilenko N, Friger M, Marsha H, Fisher D, Fraenkel M, Yoel U. Are Higher Body Mass Index and Worse Metabolic Parameters Associated with More Aggressive Differentiated Thyroid Cancer? A Retrospective Cohort Study. Healthcare (Basel) 2024; 12:581. [PMID: 38470692 PMCID: PMC10930676 DOI: 10.3390/healthcare12050581] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2024] [Revised: 02/17/2024] [Accepted: 02/29/2024] [Indexed: 03/14/2024] Open
Abstract
Obesity is a risk factor for differentiated thyroid cancer (DTC), but the association with DTC aggressiveness is controversial. To evaluate the association between preoperative body mass index (BMI)/other metabolic parameters and DTC aggressiveness in our surgical cohort, we retrospectively evaluated patients following thyroid surgery who were diagnosed with DTC between December 2013 and January 2021. Baseline characteristics, histopathological features, treatment modalities, and follow-up data were studied. We conducted logistic regression to analyze the association between BMI/other metabolic parameters and adverse DTC features. The final study cohort included 211 patients (79.6% women; mean age± standard deviation 48.7 ± 15.9 years): 66 (31.3%) with normal weight, 81 (38.4%) with overweight, and 64 (30.3%) with obesity. The median follow-up was 51 months (range 7-93). Complete versus partial thyroidectomy was more common among patients living with overweight or obesity than in normal weight patients (79.7% versus 61.7%, p = 0.017, respectively). Logistic regression demonstrated that higher BMI was associated with mildly increased risk for lymph nodes metastases (odds ratio [OR] 1.077, 95% CI: 1.013-1.145), and higher triglycerides/high-density lipoprotein-cholesterol (TG/HDL-C) ratio was associated with aggressive histological variants of DTC (OR 1.269, 95% CI 1.001-1.61). To conclude, specific adverse clinical and histopathological DTC features were indeed associated with higher BMI and higher TG/HDL-C ratio.
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Affiliation(s)
- Yasmin Abu Arar
- Internal Medicine Ward D, Soroka University Medical Center, Beer-Sheva 84101, Israel;
| | - Michael Shilo
- Department of Epidemiology, Biostatistics and Community Health, Ben-Gurion University of the Negev, Beer-Sheva 84015, Israel; (M.S.); (N.B.); (M.F.)
| | - Natalya Bilenko
- Department of Epidemiology, Biostatistics and Community Health, Ben-Gurion University of the Negev, Beer-Sheva 84015, Israel; (M.S.); (N.B.); (M.F.)
| | - Michael Friger
- Department of Epidemiology, Biostatistics and Community Health, Ben-Gurion University of the Negev, Beer-Sheva 84015, Israel; (M.S.); (N.B.); (M.F.)
| | - Hagit Marsha
- Faculty of Health Sciences, Goldman Medical School, Ben-Gurion University of the Negev, Beer-Sheva 84015, Israel;
| | - David Fisher
- Endocrinology Unit, Soroka University Medical Center, Beer-Sheva 84101, Israel (M.F.)
| | - Merav Fraenkel
- Endocrinology Unit, Soroka University Medical Center, Beer-Sheva 84101, Israel (M.F.)
- Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva 84015, Israel
| | - Uri Yoel
- Endocrinology Unit, Soroka University Medical Center, Beer-Sheva 84101, Israel (M.F.)
- Faculty of Health Sciences, Ben-Gurion University of the Negev, Beer-Sheva 84015, Israel
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Jin S, Luo L, Xu X, Xia K. Thyroid cancer burden and risk factors in China from 1990-2019: a systematic analysis using the global burden of disease study. Front Oncol 2023; 13:1231636. [PMID: 38023126 PMCID: PMC10663347 DOI: 10.3389/fonc.2023.1231636] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Accepted: 10/26/2023] [Indexed: 12/01/2023] Open
Abstract
Background Thyroid cancer (TC) is the most common endocrine system malignancy with a rapidly increasing incidence in China. Epidemiological data on TC at the national level are lacking. This study aimed to quantify the TC disease burden in China between 1990 and 2019 and evaluate the current status and trends of the disease burden attributed to a high body mass index (HBMI). Methods The 2019 Global Burden of Disease Study dataset was used to explore the TC disease burden. Age-standardized rates of incidence (ASIR), prevalence (ASPR), deaths (ASDR), and disability-adjusted life years (DALYs) were considered and the estimated annual percentage change (EAPC) was calculated as a measure of the average change in age-standardized rates. The trend in TC-related mortality and DALYs attributed to an HBMI, accounting for different age groups and sexes, was examined. Results Between 1990 and 2019, the ASDR and DALYs for TC decreased by 0.02/100000 and 1.17/100000, respectively. The ASPR and ASIR increased by 9.88/100000 and 1.04/100000, respectively. The EAPC for ASDR, age-standardized rates of DALYs, ASPR, and ASIR were 0.06 (95% CI: -0.09, 0.21), -0.20 (95% CI: -0.31, -0.10), 3.52 (95% CI: 3.35, 3.68), and 2.73 (95% CI: 2.58, 2.88), respectively. TC-related deaths, DALYs, and their prevalence and incidence in China increased by 118%, 350%, 81%, and 290%, respectively. The disease burden of TC was higher among male than female patients in different age groups, with varying distributions. The disease burden attributed to HBMI gradually increased over the past 30 years according to age-standardized DALYs, particularly in male patients. Conclusion The TC burden has increased in China over the past 30 years, and population aging poses a challenge to TC prevention and control. HBMI has become an important factor in the TC disease burden and further research should focus on reducing the disease burden among Chinese male patients with TC.
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Affiliation(s)
- Shuai Jin
- School of Biology and Engineering (School of Health and Medicine Modern Industry), Guizhou Medical University, Guiyang, China
| | - Li Luo
- Department of Clinical Laboratory, The Second People’s Hospital of Guiyang, Guiyang, China
| | - Xiaodong Xu
- Hospital Infection Management Department, Bijie First People’s Hospital, Bijie, China
| | - Kaide Xia
- Molecular Diagnostic Laboratory, Guiyang Maternal and Child Health Care Hospital, Guiyang, China
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Gorini F, Tonacci A. Tumor Microbial Communities and Thyroid Cancer Development-The Protective Role of Antioxidant Nutrients: Application Strategies and Future Directions. Antioxidants (Basel) 2023; 12:1898. [PMID: 37891977 PMCID: PMC10604861 DOI: 10.3390/antiox12101898] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Revised: 10/11/2023] [Accepted: 10/19/2023] [Indexed: 10/29/2023] Open
Abstract
Thyroid cancer (TC), the most frequent malignancy of the endocrine system, has recorded an increasing incidence in the last decades. The etiology of TC remains at least partly unknown and, among modifiable risk factors, the gut microbiota and dietary nutrients (vitamins, essential microelements, polyphenols, probiotics) have been recognized to not only influence thyroid function, but exert critical effects on TC development and progression. Recent discoveries on the existence of tumor microbiota also in the TC microenvironment provide further evidence for the essential role of tumor microorganisms in TC etiology and severity, as well as acting as prognostic markers and as a potential target of adjuvant care in the treatment of TC patients. Therefore, in this review, we summarize current knowledge on the relationship of the tumor microbiome with the clinical tumor characteristics and TC progression, also illustrating the molecular mechanisms underlying this association, and how antioxidant nutrients may be used as a novel strategy to both control gut health and reduce the risk for TC. Furthermore, we discuss how new technologies might be exploited for the development of new foods with high nutritional values, antioxidant capability, and even attractiveness to the individual in terms of sensory and emotional features.
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Affiliation(s)
- Francesca Gorini
- Institute of Clinical Physiology, National Research Council, 56124 Pisa, Italy;
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Kim M, Kang YE, Park YJ, Koo BS, Ku EJ, Choi JY, Lee EK, Kim BH. Potential impact of obesity on the aggressiveness of low- to intermediate-risk papillary thyroid carcinoma: results from a MASTER cohort study. Endocrine 2023; 82:134-142. [PMID: 37516686 DOI: 10.1007/s12020-023-03416-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Accepted: 05/31/2023] [Indexed: 07/31/2023]
Abstract
PURPOSE Obesity is associated with an increased risk of papillary thyroid carcinoma (PTC). Evidence of the impact of obesity on PTC aggressiveness is scarce. We aimed to evaluate the association between the body mass index (BMI) and the presence of aggressive features of low- to intermediate-risk PTC in a prospective cohort. METHODS We prospectively enrolled 1,032 patients with low- to intermediate-risk PTC who underwent lobectomy at 22 hospitals in Korea and divided into three groups according to BMI, as follows: normal/underweight ( < 23 kg/m2), overweight (23-24.9 kg/m2), and obese ( ≥ 25 kg/m2). Clinicopathological features of PTC at diagnosis were evaluated. RESULTS Obese patients had a higher rate of macro-PTC ( > 1 cm) and greater incidence of extra-thyroidal extension (ETE), vascular invasion, and intermediate-risk tumors than those not classified as obese. Increased BMI was positively associated with the incidence of macro-PTC, ETE, vascular invasion, and intermediate-risk category. After adjusting for age, sex, pathological features, metabolic syndrome, thyroid function test, and smoking habits, obesity was a risk factor for ETE (odds ratio [OR] = 1.7, 95% confidence interval [CI]: 1.2-2.5, p = 0.005) and intermediate-risk PTC (OR = 1.7, 95% CI: 1.1-2.5, p = 0.011) in women. The association between obesity and ETE was significant regardless of whether or not women had metabolic syndrome. There was no significant association between obesity and aggressive PTC features in men. CONCLUSION BMI at the time of thyroid cancer diagnosis may affect the aggressiveness of low- to intermediate-risk PTC, especially in women.
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Affiliation(s)
- Mijin Kim
- Department of Internal Medicine, Pusan National University School of Medicine, Yangsan, Republic of Korea
- Biomedical Research Institute, Pusan National University Hospital, Busan, Republic of Korea
| | - Yae Eun Kang
- Department of Internal Medicine, Chungnam National University School of Medicine, Daejeon, Republic of Korea
| | - Young Joo Park
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Bon Seok Koo
- Department of Otorhinolaryngology-Head and Neck Surgery, Chungnam National University College of Medicine, Daejeon, Republic of Korea
| | - Eu Jeong Ku
- Department of Internal Medicine, Chungbuk National University Hospital, Cheongju, Republic of Korea
| | - June Young Choi
- Department of Surgery, Seoul National University Bundang Hospital, Seongnam, Republic of Korea
| | - Eun Kyung Lee
- Center for Thyroid Cancer, National Cancer Center, Goyang, Republic of Korea.
| | - Bo Hyun Kim
- Department of Internal Medicine, Pusan National University School of Medicine, Yangsan, Republic of Korea.
- Biomedical Research Institute, Pusan National University Hospital, Busan, Republic of Korea.
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Grani G, Gentili M, Siciliano F, Albano D, Zilioli V, Morelli S, Puxeddu E, Zatelli MC, Gagliardi I, Piovesan A, Nervo A, Crocetti U, Massa M, Samà MT, Mele C, Deandrea M, Fugazzola L, Puligheddu B, Antonelli A, Rossetto R, D'Amore A, Ceresini G, Castello R, Solaroli E, Centanni M, Monti S, Magri F, Bruno R, Sparano C, Pezzullo L, Crescenzi A, Mian C, Tumino D, Repaci A, Castagna MG, Triggiani V, Porcelli T, Meringolo D, Locati L, Spiazzi G, Di Dalmazi G, Anagnostopoulos A, Leonardi S, Filetti S, Durante C. A Data-Driven Approach to Refine Predictions of Differentiated Thyroid Cancer Outcomes: A Prospective Multicenter Study. J Clin Endocrinol Metab 2023; 108:1921-1928. [PMID: 36795619 DOI: 10.1210/clinem/dgad075] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Revised: 01/31/2023] [Accepted: 02/06/2023] [Indexed: 02/17/2023]
Abstract
CONTEXT The risk stratification of patients with differentiated thyroid cancer (DTC) is crucial in clinical decision making. The most widely accepted method to assess risk of recurrent/persistent disease is described in the 2015 American Thyroid Association (ATA) guidelines. However, recent research has focused on the inclusion of novel features or questioned the relevance of currently included features. OBJECTIVE To develop a comprehensive data-driven model to predict persistent/recurrent disease that can capture all available features and determine the weight of predictors. METHODS In a prospective cohort study, using the Italian Thyroid Cancer Observatory (ITCO) database (NCT04031339), we selected consecutive cases with DTC and at least early follow-up data (n = 4773; median follow-up 26 months; interquartile range, 12-46 months) at 40 Italian clinical centers. A decision tree was built to assign a risk index to each patient. The model allowed us to investigate the impact of different variables in risk prediction. RESULTS By ATA risk estimation, 2492 patients (52.2%) were classified as low, 1873 (39.2%) as intermediate, and 408 as high risk. The decision tree model outperformed the ATA risk stratification system: the sensitivity of high-risk classification for structural disease increased from 37% to 49%, and the negative predictive value for low-risk patients increased by 3%. Feature importance was estimated. Several variables not included in the ATA system significantly impacted the prediction of disease persistence/recurrence: age, body mass index, tumor size, sex, family history of thyroid cancer, surgical approach, presurgical cytology, and circumstances of the diagnosis. CONCLUSION Current risk stratification systems may be complemented by the inclusion of other variables in order to improve the prediction of treatment response. A complete dataset allows for more precise patient clustering.
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Affiliation(s)
- Giorgio Grani
- Department of Translational and Precision Medicine, Sapienza University of Rome, 00161 Rome, Italy
| | - Michele Gentili
- Department of Computer, Control, and Management Engineering "Antonio Ruberti", Sapienza University of Rome, 00185 Rome, Italy
| | - Federico Siciliano
- Department of Computer, Control, and Management Engineering "Antonio Ruberti", Sapienza University of Rome, 00185 Rome, Italy
| | - Domenico Albano
- Department of Nuclear Medicine, Università e ASST-Spedali Civili- Brescia, 25123 Brescia, Italy
| | - Valentina Zilioli
- Department of Nuclear Medicine, Università e ASST-Spedali Civili- Brescia, 25123 Brescia, Italy
| | - Silvia Morelli
- Department of Medicine and Surgery, University of Perugia, 06123 Perugia, Italy
| | - Efisio Puxeddu
- Department of Medicine and Surgery, University of Perugia, 06123 Perugia, Italy
| | - Maria Chiara Zatelli
- Section of Endocrinology, Geriatrics and Internal Medicine, Department of Medical Sciences, University of Ferrara, 44121 Ferrara, Italy
| | - Irene Gagliardi
- Section of Endocrinology, Geriatrics and Internal Medicine, Department of Medical Sciences, University of Ferrara, 44121 Ferrara, Italy
| | - Alessandro Piovesan
- Oncological Endocrinology Unit, Città della Salute e della Scienza Hospital, 10126 Turin, Italy
| | - Alice Nervo
- Oncological Endocrinology Unit, Città della Salute e della Scienza Hospital, 10126 Turin, Italy
| | - Umberto Crocetti
- Department of Medical Sciences, Fondazione IRCCS Casa Sollievo della Sofferenza, 71013 San Giovanni Rotondo, Italy
| | - Michela Massa
- Department of Medical Sciences, Fondazione IRCCS Casa Sollievo della Sofferenza, 71013 San Giovanni Rotondo, Italy
| | - Maria Teresa Samà
- Division of Endocrinology, Department of Translational Medicine, University of Piemonte Orientale, Maggiore della Carità University Hospital, 28100 Novara, Italy
| | - Chiara Mele
- Division of Endocrinology, Department of Translational Medicine, University of Piemonte Orientale, Maggiore della Carità University Hospital, 28100 Novara, Italy
| | - Maurilio Deandrea
- UO Endocrinologia, Diabetologia e Malattie del metabolismo, AO Ordine Mauriziano Torino, 10128 Torino, Italy
| | - Laura Fugazzola
- Department of Endocrinology and Metabolic Diseases, IRCCS Istituto Auxologico Italiano, 20145 Milan, Italy
- Department of Pathophysiology and Transplantation, University of Milan, 20122 Milan, Italy
| | - Barbara Puligheddu
- Department of Endocrinology and Andrology, Humanitas Gradenigo, University of Turin, 10153 Turin, Italy
| | - Alessandro Antonelli
- Department of Surgical, Medical and Molecular Pathology and Critical Area, University of Pisa, 56126 Pisa, Italy
| | - Ruth Rossetto
- Department of Endocrinology and Metabolic Diseases, AO Città della Salute e della Scienza Turin, University of Turin, 10126 Turin, Italy
| | - Annamaria D'Amore
- Division of Endocrine Surgery, Department of Gastroenterologic, Endocrine-Metabolic and Nephro-Urologic sciences, Fondazione Policlinico Universitario A. Gemelli IRCCS, 00168 Rome, Italy
| | - Graziano Ceresini
- Department of Medicine and Surgery, University Hospital of Parma, 43121 Parma, Italy
| | - Roberto Castello
- Department of Medicine, Hospital and University of Verona, 37129 Verona, Italy
| | - Erica Solaroli
- Unit of Endocrinology, Department of Medicine, AUSL, 40124 Bologna, Italy
| | - Marco Centanni
- Department of Medico-surgical Sciences and Biotechnologies, Sapienza University of Rome, and UOC Endocrinologia, AUSL Latina, 04100 Latina, Italy
| | - Salvatore Monti
- Endocrinology and Diabetes Unit, Azienda Ospedaliero-Universitaria Sant'Andrea, "Sapienza" University of Rome, 00189 Rome, Italy
| | - Flavia Magri
- Department of Internal Medicine and Therapeutics and Istituti Clinici Scientifici Maugeri IRCCS, Unit of Internal Medicine and Endocrinology, University of Pavia, 27100 Pavia, Italy
| | - Rocco Bruno
- Thyroid Unit, Tinchi Hospital-ASM Matera, 75100 Matera, Italy
| | - Clotilde Sparano
- Endocrinology Unit, Department of Experimental and Clinical Biomedical Sciences "Mario Serio", University of Florence, 50139 Florence, Italy
| | - Luciano Pezzullo
- Struttura Complessa Chirurgia Oncologica della Tiroide, Istituto Nazionale Tumori-IRCCS-Fondazione G. Pascale, 80131 Naples, Italy
| | - Anna Crescenzi
- Unit of Endocrine Organs and Neuromuscular Pathology, Fondazione Policlinico Universitario Campus Bio-Medico, 00128 Rome, Italy
| | - Caterina Mian
- Unit of Endocrinology, Department of Medicine-DIMED University of Padua, 35122 Padua, Italy
| | - Dario Tumino
- Department of Clinical and Experimental Medicine, University of Catania, 95124 Catania, Italy
| | - Andrea Repaci
- Division of Endocrinology and Diabetes Prevention and Care, IRCCS Azienda Ospedaliero-Universitaria di Bologna, 40138 Bologna, Italy
| | - Maria Grazia Castagna
- Department of Medical, Surgical and Neurological Sciences, University of Siena, 53100 Siena, Italy
| | - Vincenzo Triggiani
- Interdisciplinary Department of Medicine, Section of Internal Medicine, Geriatrics, Endocrinology and Rare Diseases, University of Bari "Aldo Moro" School of Medicine, 70121 Bari, Italy
| | - Tommaso Porcelli
- Department of Public Health, University of Naples "Federico II", 80138 Naples, Italy
| | | | - Laura Locati
- Translational Oncology Unit, IRCCS ICS Maugeri, 27100 Pavia, Italy
- Department of Internal Medicine and Therapeutics, University of Pavia, 27100 Pavia, Italy
| | - Giovanna Spiazzi
- Endocrinology and Diabetology Unit, Department of Medicine, Azienda Ospedaliera-Universitaria di Verona, 37129 Verona, Italy
| | - Giulia Di Dalmazi
- Department of Medicine and Aging Sciences, University "G. d'Annunzio" of Chieti-Pescara, 66100 Chieti, Italy
| | - Aris Anagnostopoulos
- Department of Computer, Control, and Management Engineering "Antonio Ruberti", Sapienza University of Rome, 00185 Rome, Italy
| | - Stefano Leonardi
- Department of Computer, Control, and Management Engineering "Antonio Ruberti", Sapienza University of Rome, 00185 Rome, Italy
| | - Sebastiano Filetti
- Department of Translational and Precision Medicine, Sapienza University of Rome, 00161 Rome, Italy
| | - Cosimo Durante
- Department of Translational and Precision Medicine, Sapienza University of Rome, 00161 Rome, Italy
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Dong Z, Liu W, Su F, Cheng R. Association of Body Mass Index With Clinicopathological Features of Papillary Thyroid Carcinoma: A Retrospective Study. Endocr Pract 2023; 29:83-88. [PMID: 36481471 DOI: 10.1016/j.eprac.2022.11.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/13/2022] [Revised: 11/24/2022] [Accepted: 11/29/2022] [Indexed: 12/12/2022]
Abstract
OBJECTIVE We examined the effect of body mass index (BMI) on clinicopathological features of papillary thyroid carcinoma (PTC). METHODS The clinical data of 4476 patients with PTC who underwent surgical treatment were retrospectively analyzed. According to the different BMI of patients, it can be divided into underweight (BMI < 18.5 kg/m2), normal weight (18.5 ≤ BMI < 24.0 kg/m2), overweight (24 ≤ BMI < 28 kg/m2), and obese (BMI ≥ 28 kg/m2). Spearman correlation analysis was performed to assess the relationship between the BMI and the size of PTC tumor. Multivariate binary logistic regression analysis was performed to estimate the association of overweight and obesity with clinicopathological features of PTC. RESULTS There was a positive correlation between the BMI and PTC tumor size (r = 0.087, P < .001). As compared with normal weight patients with PTC, overweight and obese patients with PTC had a greater risk of bilaterality (odds ratio [OR] = 1.295, OR = 1.669), multifocality (OR = 1.273, OR = 1.617), extrathyroidal extension (OR = 1.560, OR = 2.477), T (3 + 4) stage (OR = 1.482, OR = 2.392), and recurrence risk (intermediate-high risk) (OR = 1.215, OR = 1.718) (P < .05 for all). As compared with normal weight patients with papillary thyroid microcarcinoma (PTMC), overweight and obese patients with PTMC had a greater risk of bilaterality (OR = 1.341, OR = 1.737), multifocality (OR = 1.244, OR = 1.640), extrathyroidal extension (OR = 1.992, OR = 2.080), T (3 + 4) stage (OR = 1898, OR = 2.039), and recurrence risk (intermediate-high risk) (OR = 1.458, OR = 1.536) (P < .05 for all). CONCLUSION Overweight and obesity were significantly associated with aggressive clinicopathological features of PTC and PTMC. The impact of overweight and obesity should be considered when choosing treatment decisions for PTC and PTMC.
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Affiliation(s)
- Zhizhong Dong
- Department of Thyroid Surgery, Clinical Research Center for Thyroid Diseases of Yunnan Province, The First Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Wen Liu
- Department of Thyroid Surgery, Clinical Research Center for Thyroid Diseases of Yunnan Province, The First Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Feng Su
- Department of Nephrology, The First Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Ruochuan Cheng
- Department of Thyroid Surgery, Clinical Research Center for Thyroid Diseases of Yunnan Province, The First Affiliated Hospital of Kunming Medical University, Kunming, China.
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Matrone A. Risk factors in thyroid cancer: is the obesity pandemic an important factor? Expert Rev Endocrinol Metab 2022; 17:463-466. [PMID: 36345844 DOI: 10.1080/17446651.2022.2144832] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/08/2022] [Accepted: 11/03/2022] [Indexed: 11/11/2022]
Affiliation(s)
- Antonio Matrone
- Department of Clinical and Experimental Medicine, Operative Unit of Endocrinology, Pisa University Hospital, Pisa, Italy
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Matrone A, Basolo A, Santini F, Elisei R. Understanding the effect of obesity on papillary thyroid cancer: is there a need for tailored diagnostic and therapeutic management? Expert Rev Endocrinol Metab 2022; 17:475-484. [PMID: 36203362 DOI: 10.1080/17446651.2022.2131529] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Accepted: 09/29/2022] [Indexed: 01/05/2023]
Abstract
INTRODUCTION Several studies have focused on the relationship between obesity and differentiated thyroid carcinoma (DTC), particularly papillary histotype (PTC). However, the association of obesity with both incidence and aggressiveness of PTC is still incompletely understood. AREAS COVERED We reviewed the mechanisms underlying the cross talk between obesity and thyroid carcinomas and described the most recent evidence evaluating the effect of obesity on the development of PTC, as well as the impact of excessive body weight on the clinicopathologic features and outcome of this type of cancer. EXPERT OPINION Available evidence suggests that excessive body weight is linked with a higher risk of getting PTC, while its impact on the aggressiveness of the disease, if present, is still not clear. Therefore, while attention should be paid to discover thyroid cancer in patients with obesity earlier, once diagnosed it should be managed following a conventional workup as in normal weight patients, based on the clinical presentation of the disease and including active surveillance if appropriate, as recommended by referral guidelines.
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Affiliation(s)
- Antonio Matrone
- Department of Clinical and Experimental Medicine, Unit of Endocrinology, University Hospital of Pisa - via Paradisa 2, Pisa, Italy
| | - Alessio Basolo
- Department of Clinical and Experimental Medicine, Unit of Endocrinology, University Hospital of Pisa - via Paradisa 2, Pisa, Italy
| | - Ferruccio Santini
- Department of Clinical and Experimental Medicine, Unit of Endocrinology, University Hospital of Pisa - via Paradisa 2, Pisa, Italy
| | - Rossella Elisei
- Department of Clinical and Experimental Medicine, Unit of Endocrinology, University Hospital of Pisa - via Paradisa 2, Pisa, Italy
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15
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Song JL, Li LR, Yu XZ, Zhan L, Xu ZL, Li JJ, Sun SR, Chen C. Association between metabolic syndrome and clinicopathological features of papillary thyroid cancer. Endocrine 2022; 75:865-871. [PMID: 34826117 PMCID: PMC8617556 DOI: 10.1007/s12020-021-02940-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/06/2021] [Accepted: 11/06/2021] [Indexed: 11/04/2022]
Abstract
BACKGROUND Metabolic syndrome (MetS) was a risk factor for papillary thyroid cancer (PTC). Whether MetS impacts the aggressiveness of PTC is still unclear. We carried out this study to clarify this issue. METHODS We evaluated 745 consecutive PTC patients treated with surgery. Patients were divided into three groups based on their number of MetS components: patients without any MetS components, patients with 1-2 MetS components, and patients with 3-5 MetS components. The clinical features and histological aggressiveness of PTC at the time of diagnosis were evaluated. RESULTS A total of 745 patients were included in this study. And, 145 patients had three or more metabolic components and were diagnosed as MetS. MetS was a risk factor for larger tumors (OR = 2.29, 95% CI: 1.31-4.03), more lymph node metastasis (OR = 1.97, 95% CI: 1.11-3.51), and later clinical stage (OR = 7.92, 95% CI: 1.59-39.34) after correction for age, sex, and thyroid-stimulating hormone (TSH) level and body mass index (BMI). CONCLUSION In our hospital-based cohort study MetS was associated with the aggressiveness of PTC. This association was still significant after adjusting for age, sex, TSH, and BMI.
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Affiliation(s)
- Jun-Long Song
- Department of Breast and Thyroid Surgery, Renmin Hospital of Wuhan University, Wuhan, Hubei, 430060, PR China
| | - Ling-Rui Li
- Department of Breast and Thyroid Surgery, Renmin Hospital of Wuhan University, Wuhan, Hubei, 430060, PR China
| | - Xi-Zi Yu
- Department of Breast and Thyroid Surgery, Renmin Hospital of Wuhan University, Wuhan, Hubei, 430060, PR China
| | - Ling Zhan
- Department of Breast and Thyroid Surgery, Renmin Hospital of Wuhan University, Wuhan, Hubei, 430060, PR China
| | - Zhi-Liang Xu
- Department of Breast and Thyroid Surgery, Renmin Hospital of Wuhan University, Wuhan, Hubei, 430060, PR China
| | - Juan-Juan Li
- Department of Breast and Thyroid Surgery, Renmin Hospital of Wuhan University, Wuhan, Hubei, 430060, PR China
| | - Sheng-Rong Sun
- Department of Breast and Thyroid Surgery, Renmin Hospital of Wuhan University, Wuhan, Hubei, 430060, PR China
| | - Chuang Chen
- Department of Breast and Thyroid Surgery, Renmin Hospital of Wuhan University, Wuhan, Hubei, 430060, PR China.
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Basolo A, Poma AM, Giannini R, Ceccarini G, Pelosini C, Fierabracci P, Castany MU, Bechi Genzano S, Ambrosini CE, Materazzi G, Chiovato L, Basolo F, Santini F, Torregrossa L. Histological pattern and gene expression profiling of thyroid tissue in subjects with obesity. J Endocrinol Invest 2022; 45:413-423. [PMID: 34392500 DOI: 10.1007/s40618-021-01662-w] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Accepted: 08/10/2021] [Indexed: 01/19/2023]
Abstract
PURPOSE Subjects with obesity may exhibit an increase in serum TSH concentrations. Several mechanisms have been proposed to explain this association, including the presence of a compensatory mechanism to counterbalance an accelerated turnover of thyroid hormones in subjects with obesity. This study aimed at evaluating whether the thyroids of subjects with obesity differs from those of normal-weight individuals regarding histology and gene expression profiling. METHODS Ninety-eight patients were selected among those scheduled for thyroidectomy. At histology, thyroid tissue samples were investigated for the presence of adipocytes and/or lymphocyte infiltration. In a subset of patients, the expression at mRNA level of several genes involved in metabolic pathways and immune cell-related mechanisms was quantified by NanoString Technology. RESULTS The presence of adipose cells was documented in thyroid specimens from 40% normal weight, 52.9% overweight and 73.5% patients with obesity. The number of infiltrating adipocytes was greater in specimens of patients with overweight or obesity compared to normal weight. The lymphocytes common antigen (CD45) and mast cell (MC) scores, and the number of CD3+ and CD8+ lymphocytes were higher in patients with overweight and obesity than in normal-weight subjects. Several genes involved in metabolic pathways were differently expressed in patients with overweight or obesity compared to normal weight, with upregulation of Leptin receptor and downregulation of Fatty Acid-Binding Protein 5. CONCLUSIONS Increased BMI is associated with adipocyte and lymphocyte infiltration of the thyroid, not related to an autoimmune process, which might affect thyroid function in subjects with obesity. A differential gene expression profiling of metabolic and immune pathways in thyroid tissues of patients with obesity was also observed.
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Affiliation(s)
- A Basolo
- Obesity and Lipodystrophy Center, Endocrinology Unit, University Hospital of Pisa, Pisa, Italy.
- Department of Clinical and Experimental Medicine, University Hospital of Pisa, Via Paradisa 2, 56124, Pisa, Italy.
| | - A M Poma
- Department of Surgical, Medical, Molecular Pathology and Critical Area, University Hospital of Pisa, Pisa, Italy
| | - R Giannini
- Department of Surgical, Medical, Molecular Pathology and Critical Area, University Hospital of Pisa, Pisa, Italy
| | - G Ceccarini
- Obesity and Lipodystrophy Center, Endocrinology Unit, University Hospital of Pisa, Pisa, Italy
| | - C Pelosini
- Obesity and Lipodystrophy Center, Endocrinology Unit, University Hospital of Pisa, Pisa, Italy
- Chemistry and Endocrinology Laboratory, University Hospital of Pisa, Pisa, Italy
| | - P Fierabracci
- Obesity and Lipodystrophy Center, Endocrinology Unit, University Hospital of Pisa, Pisa, Italy
| | - M U Castany
- Department of Surgical, Medical, Molecular Pathology and Critical Area, University Hospital of Pisa, Pisa, Italy
| | - S Bechi Genzano
- Obesity and Lipodystrophy Center, Endocrinology Unit, University Hospital of Pisa, Pisa, Italy
| | - C E Ambrosini
- Department of Surgical, Medical, Molecular Pathology and Critical Area, University Hospital of Pisa, Pisa, Italy
| | - G Materazzi
- Department of Surgical, Medical, Molecular Pathology and Critical Area, University Hospital of Pisa, Pisa, Italy
| | - L Chiovato
- Laboratory for Endocrine Disruptors, Unit of Internal Medicine and Endocrinology, Istituti Clinici Scientifici Maugeri IRCCS, University of Pavia, 27100, Pavia, Italy
- Department of Internal Medicine and Therapeutics, University of Pavia, Via S. Maugeri 4, 27100, Pavia, PV, Italy
| | - F Basolo
- Department of Surgical, Medical, Molecular Pathology and Critical Area, University Hospital of Pisa, Pisa, Italy
| | - F Santini
- Obesity and Lipodystrophy Center, Endocrinology Unit, University Hospital of Pisa, Pisa, Italy
| | - L Torregrossa
- Department of Surgical, Medical, Molecular Pathology and Critical Area, University Hospital of Pisa, Pisa, Italy
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Ahmadi S, Pappa T, Kang AS, Coleman AK, Landa I, Marqusee E, Kim M, Angell TE, Alexander EK. Point of Care Measurement of Body Mass Index and Thyroid Nodule Malignancy Risk Assessment. Front Endocrinol (Lausanne) 2022; 13:824226. [PMID: 35222281 PMCID: PMC8873520 DOI: 10.3389/fendo.2022.824226] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Accepted: 01/12/2022] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND Large scale epidemiology studies have suggested obesity may increase the risk of thyroid cancer, though no prospective analyses using real-world measurement of BMI at a time proximate to initial thyroid nodule evaluation have been performed. METHODS We performed a prospective, cohort analysis over 3 years of consecutive patients presenting for thyroid nodule evaluation. We measured BMI proximate to the time of initial evaluation and correlated this with the final diagnosis of benign or malignant disease. We further correlated patient BMI with aggressivity of thyroid cancer, if detected. RESULTS Among 1,259 consecutive patients with clinically relevant nodules, 199(15%) were malignant. BMI averaged 28.6 kg/m2 (SD: 6.35, range:16.46-59.26). There was no correlation between the measurement of BMI and risk of thyroid cancer (p=0.58) as mean BMI was 28.9 kg/m2 and 28.6 kg/m2 in cancerous and benign cohorts, respectively. Similarly, BMI did not predict aggressive thyroid cancer (p=0.15). While overall nodule size was associated with increased BMI (p<0.01), these data require further validation as obesity may hinder nodule detection until large. CONCLUSION In contrast to findings published from large scale association studies drawn from national databases, these prospective data of consecutive patients presenting for nodule evaluation detect no association of obesity (as measured by BMI) with thyroid cancer. Real time measurement of BMI at the time of thyroid nodule evaluation does not contribute to cancer risk assessment.
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Affiliation(s)
- Sara Ahmadi
- Thyroid Section, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA, United States
- *Correspondence: Sara Ahmadi,
| | - Theodora Pappa
- Thyroid Section, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA, United States
| | - Alex S. Kang
- Thyroid Section, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA, United States
| | - Alexandra K. Coleman
- Thyroid Section, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA, United States
| | - Iñigo Landa
- Thyroid Section, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA, United States
| | - Ellen Marqusee
- Thyroid Section, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA, United States
| | - Matthew Kim
- Thyroid Section, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA, United States
| | - Trevor E. Angell
- Department of Medicine, Division of Endocrinology and Diabetes, Keck School Medicine of USC, Los Angeles, CA, United States
| | - Erik K. Alexander
- Thyroid Section, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA, United States
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Cao J, Zhu X, Sun Y, Li X, Yun C, Zhang W. Potential Impact of Body Mass Index on the Clinical Outcome of Papillary Thyroid Cancer After High-Dose Radioactive Iodine Therapy. Front Endocrinol (Lausanne) 2022; 13:870530. [PMID: 35721759 PMCID: PMC9205627 DOI: 10.3389/fendo.2022.870530] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Accepted: 04/04/2022] [Indexed: 11/13/2022] Open
Abstract
CONTEXT Obesity has been reported as a potential risk factor for the aggressiveness of papillary thyroid cancer (PTC), but the data gathered so far are conflicting. OBJECTIVE The aim of our study was to evaluate the relationship between body mass index (BMI) and aggressiveness of PTC at the diagnosis and clinical outcome. METHODS A total of 337 patients who underwent radioactive iodine (RAI) therapy between March 2017 and May 2020 were recruited. Patients were divided into four groups: underweight (BMI<18.5 kg/m2), normal weight (18.5-24.9 kg/m2), overweight (25-29.9 kg/m2), and obese (BMI≥ 30 kg/m2). Treatment and follow-up were defined according to criteria used in the 2015 ATA guidelines. RESULTS This study included 337 patients with PTC (71.5% women, median age 45.21 ± 13.04 years). The mean BMI was 24.2 ± 3.1 kg/m2. Obese groups had a higher age than the other groups (P = 0.001). Moreover, obese patients had larger tumor sizes and higher T stage, compared to overweight, normal weight, and underweight patients (P = 0.007). After a median follow-up of 32 months, 279 patients (82.7%) had achieved an excellent response (ER) to therapy. The overall ER rates were compared between groups, and they did not differ significantly. CONCLUSIONS We demonstrated that BMI may have an additive effect on the aggressiveness of PTC, but did not have an effect on the response to therapy after high-dose RAI therapy.
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Elbasan O, Yavuz DG. Effects of concomitant obesity and diabetes on the aggressiveness and outcomes of differentiated thyroid cancer patients. ARCHIVES OF ENDOCRINOLOGY AND METABOLISM 2021; 65:455-461. [PMID: 33909380 PMCID: PMC10522191 DOI: 10.20945/2359-3997000000361] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Accepted: 03/04/2021] [Indexed: 11/23/2022]
Abstract
OBJECTIVE Obesity and diabetes are the risk factors for cancer development including differentiated thyroid cancer (DTC). Contradictory accumulated data indicates the possible negative effects of obesity and hyperglyceamia as a factor for aggressiveness of DTC. The aim of the present study is to investigate the association of high body mass index (BMI) and presence of type 2 diabetes mellitus (T2DM) on the histological aggressiveness and clinical outcomes in DTC patients followed for over 4 years in a single center. METHODS Consequative 526 DTC patients who had undergone total thyroidectomy and/or radioactive iodine (RAI) ablation were reviewed retrospectively. Patients were divided into groups based on their BMI: normal weight, overweight, obese and also were evalauted in 3 groups presence of diabetes, prediabetes and nomoglyceamia. Histological aggressiveness of DTC at the time of diagnosis and clinical response at the time of last clinical visit were reassessed according to the criteria suggested by ATA 2015 guideline. RESULTS No differences in histopathologic features, risk of recurrence, cumulative dose of RAI ablation and prevalence of 131I avid metastatic disease were demonstrated among the groups both classified according to BMI and hyperglycemia. Mean of 3.4 year follow-up also showed no differences in the clinial repsonse to therapy and percentage of nonthyroid primary cancer in DTC patients. CONCLUSION In this retrospective study we demonstrated that obesity and T2DM have no additive effect on DTC aggressiveness and response to therapy. DTC patients with obesity and diabetes can be treated according to present guidelines without requirement for spesific attention.
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Affiliation(s)
- Onur Elbasan
- Division of Endocrinology and Metabolism, Marmara University College of Medicine, Istanbul, Turkey,
| | - Dilek Gogas Yavuz
- Division of Endocrinology and Metabolism, Marmara University College of Medicine, Istanbul, Turkey
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Tian T, Xu Y, Zhang X, Liu B. Prognostic Implications of Preablation Stimulated Tg: A Retrospective Analysis of 2500 Thyroid Cancer Patients. J Clin Endocrinol Metab 2021; 106:e4688-e4697. [PMID: 34143886 DOI: 10.1210/clinem/dgab445] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Indexed: 02/05/2023]
Abstract
CONTEXT The risk of persistent and recurrent disease in patients with differentiated thyroid cancer (DTC) is a continuum that ranges from very low to very high, even within the 3 primary risk categories. It is important to identify independent clinicopathological parameters to accurately predict clinical outcomes. OBJECTIVE To examine the association between pre-ablation stimulated thyroglobulin (ps-Tg) and persistent and recurrent disease in DTC patients and investigate whether incorporation of ps-Tg could provide a more individualized estimate of clinical outcomes. DESIGN, SETTING, AND PARTICIPANTS Medical records of 2524 DTC patients who underwent total thyroidectomy and radioiodine ablation between 2006 and 2018 were retrospectively reviewed. MAIN OUTCOME MEASURE Ps-Tg was measured under thyroid hormone withdrawal before remnant ablation. Association of ps-Tg and clinical outcomes. RESULTS In multivariate analysis, age, American Thyroid Association (ATA) risk stratification, distant metastasis, ps-Tg, and cumulative administered activities were the independent predictive factors for persistent/recurrent disease. Receiver operating characteristic analysis identified ps-Tg cutoff (≤10.1 ng/mL) to predict disease-free status with a negative predictive value of 95%, and validated for all ATA categories. Integration of ps-Tg into ATA risk categories indicated that the presence of ps-Tg ≤ 10.1 ng/mL was associated with a significantly decreased chance of having persistent/recurrent disease in intermediate- and high-risk patients (9.9% to 4.1% in intermediate-risk patients, and 33.1% to 8.5% in high-risk patients). CONCLUSION The ps-Tg (≤10.1 ng/mL) was a key predictor of clinical outcomes in DTC patients. Its incorporation as a variable in the ATA risk stratification system could more accurately predict clinical outcomes.
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Affiliation(s)
- Tian Tian
- Department of Nuclear Medicine, West China Hospital, Sichuan University, 610041 Chengdu, China
| | - Yangmengyuan Xu
- Department of Nuclear Medicine, West China Hospital, Sichuan University, 610041 Chengdu, China
| | - Xinyue Zhang
- Department of Nuclear Medicine, West China Hospital, Sichuan University, 610041 Chengdu, China
| | - Bin Liu
- Department of Nuclear Medicine, West China Hospital, Sichuan University, 610041 Chengdu, China
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21
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Gimenez-Perez G, Recasens A, Chicharro S, Simo O, Murillo J, Castells I. Presence of risk factors for thyroid cancer does not improve the performance of ultrasound screening for thyroid nodules in patients with obesity. Int J Clin Pract 2021; 75:e14211. [PMID: 33826764 DOI: 10.1111/ijcp.14211] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/14/2021] [Revised: 03/30/2021] [Accepted: 03/31/2021] [Indexed: 11/30/2022] Open
Abstract
PURPOSE It has been suggested, on a theoretical basis, that ultrasound screening of thyroid nodules in obese patients with additional risk factors (family history, chronic autoimmune thyroiditis or high thyrotropin) might be cost-effective for the early detection and treatment of thyroid cancer. The present study evaluates if this approach can be validated in a real clinical setting. METHODS Patients with obesity who attended hospital-based clinics were evaluated for risk factors of thyroid cancer and ultrasound screened for thyroid nodularity. Detected nodules were evaluated according to current guidelines. RESULTS A total of 429 patients were evaluated (70.2% women, mean age 49.1 ± 11.0, mean body mass index 42.6 ± 5.8 kg/m2 ). Risk factors were present in 129 (30.1%) patients. Thyroid nodules with indication for fine-needle aspiration biopsy were detected in 69 (16.1%). We did not find differences in the risk of harbouring thyroid nodules according to the presence of risk factors (no risk factors 16.6%, risk factors 14.1%, P = .64). No single risk factor conferred an increased risk for thyroid nodules During the screening procedure, four cases of thyroid cancer were detected, none of them with the evaluated risk factors. CONCLUSION The presence of known risk factors for thyroid cancer does not improve the performance of a US screening strategy aimed at the detection of thyroid nodules in obese patients. According to current guidelines, screening for thyroid nodules in obese patients is not recommended regardless of the presence of thyroid cancer risk factors.
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Affiliation(s)
| | - Assumpta Recasens
- Endocrinology Section, Hospital General de Granollers, Granollers, Spain
- Medicine Department, Faculty of Medicine and Health Sciences, Universitat Internacional de Catalunya, Sant Cugat del Vallés, Spain
| | - Sandra Chicharro
- Endocrinology Section, Hospital de Mollet, Mollet del Vallés, Spain
| | - Olga Simo
- Endocrinology Section, Hospital General de Granollers, Granollers, Spain
| | - Jesus Murillo
- Endocrinology Section, Hospital de Mollet, Mollet del Vallés, Spain
| | - Ignasi Castells
- Endocrinology Section, Hospital General de Granollers, Granollers, Spain
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Zhang X, Jiang L, Liu L, Liu B. Influence of body mass index at diagnosis on outcome of thyroid cancer in children and adolescents. Surgery 2021; 169:1373-1378. [PMID: 33612290 DOI: 10.1016/j.surg.2020.12.047] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2020] [Revised: 12/20/2020] [Accepted: 12/30/2020] [Indexed: 02/05/2023]
Abstract
PURPOSE To systemically examine the relationship between body mass index, the extent of thyroid cancer and metastatic burden at diagnosis, and overall outcomes in children and adolescents with thyroid cancer. METHODS A retrospective series of children and adolescents with differentiated thyroid cancer who underwent total thyroidectomy and 131I therapy was analyzed. Body mass index (BMI) at the time of surgery was assessed. The Chinese age- and sex-specific BMI percentile criteria for screening overweight and obesity in children and adolescents were used to define the overweight and obesity among patients. The relationship between BMI and clinicopathological features and clinical outcomes of the disease was evaluated by logistic regression modeling, incorporating the eighth edition of the American Joint Committee on Cancer TNM staging system and the 2015 American Thyroid Association guidelines. RESULTS This study included 181 children and adolescents with differentiated thyroid cancer (82.9% females, median age 17 years). The mean BMI was 21.0 ± 3.9 kg/m2; 77.9% of the patients (N = 141) were normal weight, 13.2% (N = 24) were overweight, and 8.8% (N = 16) were obese. No positive associations were noted between BMI and T, N, or M stage on logistic regression analyses. The absence of an association was also demonstrated on analysis by BMI categories. After a median follow-up of 51 months, 114 children and adolescents (63.0%) had achieved excellent response to therapy. No associations were noted for persistent/recurrent disease among BMI groups. CONCLUSION Our study highlights the absence of increased disease burden at the time of thyroid cancer diagnosis in pediatric patients with high BMI along with the same prognosis compared with normal-weight pediatric patients.
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Affiliation(s)
- Xinyue Zhang
- Department of Nuclear Medicine, West China Hospital, Sichuan University, Chengdu, China
| | - Lisha Jiang
- Department of Nuclear Medicine, West China Hospital, Sichuan University, Chengdu, China
| | - Lina Liu
- Department of Nuclear Medicine, West China Hospital, Sichuan University, Chengdu, China
| | - Bin Liu
- Department of Nuclear Medicine, West China Hospital, Sichuan University, Chengdu, China.
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Economides A, Giannakou K, Mamais I, Economides PA, Papageorgis P. Association Between Aggressive Clinicopathologic Features of Papillary Thyroid Carcinoma and Body Mass Index: A Systematic Review and Meta-Analysis. Front Endocrinol (Lausanne) 2021; 12:692879. [PMID: 34276564 PMCID: PMC8279812 DOI: 10.3389/fendo.2021.692879] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/09/2021] [Accepted: 06/07/2021] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND The association between adiposity and papillary thyroid carcinoma (PTC) has been reported in several studies, but its association with aggressive clinicopathologic features is not well-recognized. Our aim is to systematically review the literature to identify whether adiposity, expressed through Body Mass Index (BMI), is related to aggressive clinicopathologic features such as tumor-node-metastasis (TNM) stage, extrathyroidal extension (ETE), lymph node (LN) metastasis and multifocality in patients with PTC. METHODS A systematic search for articles was performed using the PubMed, EBSCO, and Cochrane Library for all articles published in English until December 2020. Specific keywords such as "papillary thyroid carcinoma", "Body Mass Index", "clinicopathologic features" were used in the search strategy. Two independent reviewers screened all retrieved articles based on predefined inclusion and exclusion criteria. Meta-analysis was performed in the studies that reported crude and adjusted odds ratios (OR). The methodological quality was assessed using the Newcastle-Ottawa Scale. RESULTS A total of 11 retrospective cohort studies involving 26,196 participants included. Our findings showed that elevated BMI was significantly associated with ETE in both overweight (OR 1.26, 95% CI: 1.09-1.44) and obesity group (OR 1.45, 95% CI:1.26-1.64). Elevated BMI was also significantly associated with multifocality in overweight patients (OR 1.17, 95% CI:1.10-1.24) and obese patients (OR 1.45, 95% CI:1.29-1.62). Also, obesity was significantly associated with increased tumor size (OR 1.77, 95% CI:1.52-2.03) and with LN metastasis (OR 1.28, 95% CI: 1.12-1.44), whereas being overweight was significantly associated with advanced TNM stage (OR 1.55, 95% CI:1.27-1.83). CONCLUSION Our results provide strong evidence for the association between higher BMI and ETE, multifocality, and tumor size. Further studies with a larger number of participants are required to elucidate further the association of increased BMI with advanced TNM stage and LN metastasis.
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Affiliation(s)
- Aliki Economides
- Department of Health Sciences, School of Sciences, European University Cyprus, Nicosia, Cyprus
- Thyroid & Endocrinology Center, Nicosia, Cyprus
| | - Konstantinos Giannakou
- Department of Health Sciences, School of Sciences, European University Cyprus, Nicosia, Cyprus
| | - Ioannis Mamais
- Department of Health Sciences, School of Sciences, European University Cyprus, Nicosia, Cyprus
| | - Panayiotis A. Economides
- Thyroid & Endocrinology Center, Nicosia, Cyprus
- School of Medicine, European University Cyprus, Nicosia, Cyprus
| | - Panagiotis Papageorgis
- Department of Life Sciences, School of Sciences, European University Cyprus, Nicosia, Cyprus
- *Correspondence: Panagiotis Papageorgis,
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Abstract
PURPOSE OF REVIEW In this review, we evaluate recent findings related to the association between obesity and thyroid cancer. RECENT FINDINGS During the last several decades, the prevalence of obesity and thyroid cancer have been increasing in parallel on a global scale. Current evidence suggests that the growing incidence of differentiated thyroid cancer (DTC) is pathogenically linked to the spread of obesity, but the biological mechanisms that may explain this connection have been only partially described. Furthermore, unlike other tumors, data on the impacts of obesity on the aggressiveness of DTC and response to treatment of DTC remain conflicting. SUMMARY Emergent knowledge regarding the links between obesity and thyroid cancer suggests a relevant role for obesity as a risk factor for DTC, with no apparent impact on its aggressiveness.
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Affiliation(s)
- Antonio Matrone
- Unit of Endocrinology, Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
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