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clinical thyroid function test

Xiaojun Ren, Zhaowei Meng, Ming Liu, Mei Zhu, Qing He, Qing Zhang, Li Liu, Kun Song, Qiyu Jia, Qiang Jia, Xue Li, Jian Tan, Wei Zheng, Renfei Wang, Na Liu, Tianpeng Hu
Mean platelet volume (MPV) and platelet distribution width (PDW) are morphometric indices of size distribution and variability of platelet. We aimed to explore the associations between MPV or PDW and thyroid function in a large Chinese cohort.This was a cross-sectional study with a recruitment of 13,622 self-reported healthy Chinese (8424 males, 5198 females). Clinical data of the participants comprised of anthropometric measurements, hepatic function, renal function, serum levels of lipid, glucose, C-reactive protein, erythrocyte sedimentation rate, platelet, MPV, PDW, and thyroid hormones...
October 2016: Medicine (Baltimore)
Berglind Jonsdottir, Christer Larsson, Annelie Carlsson, Gun Forsander, Sten Anders Ivarsson, Åke Lernmark, Johnny Ludvigsson, Claude Marcus, Ulf Samuelsson, Eva Örtqvist, Helena Elding Larsson
CONTEXT: Screening of autoimmune thyroid disease in children and young adults with Type 1 diabetes is important but vary greatly between clinics. OBJECTIVE: The aim was to determine the predictive value of thyroid autoantibodies, thyroid function, islet autoantibodies, and HLA- DQ at diagnosis of Type 1 diabetes for autoimmune thyroid disease during subsequent follow-up. SETTING: 43 Paediatric Endocrinology units Sweden. Design, patients and main outcome measures: At diagnosis of Type 1 diabetes, samples from 2433 children were analysed for autoantibodies against thyroid peroxidase (TPOAb), thyroglobulin (TGAb), glutamic acid decarboxylase (GADA), insulin (IAA), insulinoma-associated protein-2 (IA-2A), and the three variants of the zinc transporter 8 (ZnT8W/R/QA) as well as HLA-DQA1-B1 genotypes and thyroid function...
October 14, 2016: Journal of Clinical Endocrinology and Metabolism
S L Hsu, P Y Lee, C H Chang, C H Chen
Thyroid orbitopathy (TO) is an autoimmune disease that is complicated by ocular surface disorders, leading to discomfort. Dry eye is very prevalent in patients with TO. Recent studies on the pathogenesis of dry eye have focused on the inflammatory process, and some supporting evidence has been discovered. Because TO is a disorder of autoimmune origin, we assumed that the association between TO and dry eye is related to inflammation. Inflammation of the ocular surface in TO-related dry eye has not been well studied...
August 30, 2016: Genetics and Molecular Research: GMR
William Grey, Rosaline Hulse, Anna Yakovleva, Dilyana Genkova, Benjamin Whitelaw, Ellen Solomon, Salvador J Diaz-Cano, Louise Izatt
The REarranged during Transfection (RET) proto-oncogene is a receptor tyrosine kinase involved in growth and differentiation during embryogenesis and maintenance of the urogenital and nervous systems in mammals. Distinct mutations across hotspot RET exons can cause Multiple Endocrine Neoplasia Type 2A (MEN2A) characterised by development of medullary thyroid cancer (MTC), phaeochromocytoma (PCC) and primary hyperparathyroidism (PHPT), with a strong correlation between genotype and phenotype. Here, we report a 42-year-old man presented in the clinic with a unilateral PCC, with subsequent investigations revealing a nodular and cystic thyroid gland...
October 5, 2016: Endocrine Pathology
Ahmad Nofal, Hala Amer, Rania Alakad, Eman Nofal, Fatma El Desouky, Ayman Yosef, Waleed Albalat, Khaled Gharib, Inass Mostafa, Sahar Fathy, Monira Waked, Eman Ragheb, Hanan Gammaz
BACKGROUND: Lichen myxedematosus (LM) is a rare, chronic idiopathic disorder characterized clinically by waxy, closely set papules, and histopathologically by diffuse dermal mucin deposition and fibroblast proliferation. The most recent classification of LM was proposed in 2001; however, it seems to be complex, confusing, and imprecise. Herein, we present seven cases of LM to evaluate the validity of the current classification, to propose new diagnostic criteria and classification, and to suggest a clinically relevant severity grading system for this rare disorder...
September 25, 2016: International Journal of Dermatology
Nunzia Brusca, Camilla Virili, Miriam Cellini, Silvia Capriello, Lucilla Gargano, Rita Salvatori, Marco Centanni, Maria Giulia Santaguida
OBJECTIVE: Autonomously functioning thyroid areas may be associated with subclinical or overt hyperthyroidism, but may exist even in the presence of normal TSH. This study was aimed at comparing the rate of autonomously functioning areas and their cardiac sequelae in patients with nodular goitre studied with the usual and a novel approach. DESIGN AND METHODS: A total of 490 adult outpatients with thyroid nodular goitre, living in a mild iodine-deficient area, were selected in our Referral Center for thyroid diseases from 2009 to 2014 on the basis of a suspicion of thyroid functional autonomy...
September 19, 2016: European Journal of Endocrinology
Julie Obert, Laetitia Vercellino, Axel Van Der Gucht, Constance de Margerie-Mellon, Emmanuelle Bugnet, Sylvie Chevret, Gwenaël Lorillon, Abdellatif Tazi
PURPOSE: The standard evaluation of multisystem Langerhans cell histiocytosis (LCH) includes a clinical evaluation, laboratory tests and a skeleton/skull X-ray survey, with chest high-resolution computed tomography (HRCT) in the case of pulmonary involvement. Preliminary reports suggest that (18)F-fluorodeoxyglucose positron emission tomography-computed tomography ((18)F-FDG PET-CT) may be useful for evaluating patients with LCH. METHODS: Fourteen consecutive adult patients with multisystem LCH were included in this retrospective study, and were evaluated using standard procedures and (18)F-FDG PET-CT...
September 20, 2016: European Journal of Nuclear Medicine and Molecular Imaging
Gurmit Gill, Hammad Bajwa, Peter Strouhal, Harit N Buch
BACKGROUND: Interferon alpha is a widely used therapeutic agent in the treatment of hepatitis C virus infection. Clinical thyroid disease is seen in nearly 15 % of patients receiving interferon alpha for hepatitis C virus infection. The mechanism of thyroid dysfunction with interferon alpha is either autoimmune or inflammatory. We report a case of young woman who developed biphasic thyroid dysfunction posing a diagnostic challenge, while receiving interferon alpha treatment for hepatitis C virus infection...
2016: Journal of Medical Case Reports
Helen Robinson, Philip Robinson, Michael D'Emden, Kassam Mahomed
BACKGROUND: First-trimester care of maternal thyroid dysfunction has previously been shown to be poor. This study evaluates early management of thyroid dysfunction in pregnancy in Australia. METHODS: Patients reviewed by the Obstetric Medicine team for thyroid dysfunction from 1 January 2012 to 30 June 2013 were included. Data were collected on gestation at referral from the patient's general practitioner to the antenatal clinic, information provided in the referral letter, thyroid function tests and thyroid medications...
September 2016: Obstetric Medicine
Jinhua Fu, Hongping Wei, Xiaojuan Li
OBJECTIVE: To summarize the clinical features and early diagnostic evidence for mental disorders due to primary hypothyroidism after primary overactive thyroid surgery or 131I therapy. 
 METHODS: The retrospective analysis was conducted on 15 patients in terms of the clinical features with primary hypothyroidism-induced mental disorder after primary overactive thyroid surgery or 131I therapy. The data regarding past history of hyperthyroidism parallel operation or 131I treatment, thyroid function biochemical indexes were collected...
July 2016: Zhong Nan da Xue Xue Bao. Yi Xue Ban, Journal of Central South University. Medical Sciences
Saul Levy-Blitchtein, Stefany Plasencia-Rebata, Domingo Morales Luna, Juana Del Valle Mendoza
Papillary thyroid cancer (PTC) represents 80-85% of thyroid cancer and its prevalence has been rising in the last decades. Primary thyroid lymphoma (PTL) accounts for 3% of extranodal lymphomas and about 5% of thyroid malignancies, having a prevalence of one or two cases per million people. Mucosa-Associated Lymphoid Tissue lymphoma represents approximately 30% of PTL. Both entities have an indolent course and a very good prognosis. Diagnosis is made by ultrasound and fine needle aspiration (FNA) or surgery specimen pathology...
August 2016: Asian Pacific Journal of Tropical Medicine
Ergün Sönmezgöz, Samet Ozer, Resul Yilmaz, Yalçın Önder, Ilknur Bütün, Serap Bilge
BACKGROUND: Vitamin D deficiency or insufficiency may play a role in the pathogenesis of certain autoimmune diseases. AIM: To measure vitamin D levels in children with Hashimoto’s thyroiditis (HT) (either with subclinical or marked hypothyroidism) and in healthy controls. MATERIAL AND METHODS: We included 68 children with HT aged 12 ± 4 years (39 females) from a pediatric outpatient clinic and 68 healthy children aged 10 ± 4 years (37 females)...
May 2016: Revista Médica de Chile
Gerd Flodgren, Amanda M Hall, Lucy Goulding, Martin P Eccles, Jeremy M Grimshaw, Gillian C Leng, Sasha Shepperd
BACKGROUND: The uptake of clinical practice guidelines (CPGs) is inconsistent, despite their potential to improve the quality of health care and patient outcomes. Some guideline producers have addressed this problem by developing tools to encourage faster adoption of new guidelines. This review focuses on the effectiveness of tools developed and disseminated by guideline producers to improve the uptake of their CPGs. OBJECTIVES: To evaluate the effectiveness of implementation tools developed and disseminated by guideline producers, which accompany or follow the publication of a CPG, to promote uptake...
2016: Cochrane Database of Systematic Reviews
Claudia Teti, Elena Nazzari, Marina Galletti, Mattia Grazia Mandolfino, Francesca Pupo, Giampaola Pesce, Flavia Lillo, Marcello Bagnasco, Salvatore Benvenga
BACKGROUND: The use of thyrotropin and free thyroid hormone assays to evaluate thyroid function is widespread, but in some situations the results are inconsistent with the patient's thyroid status. SUMMARY: A 35-year-old woman with a known diagnosis of chronic autoimmune thyroiditis was referred to us at week 26 of her second pregnancy. The patient was clinically euthyroid; consistent with this, her serum TSH was normal (0.79 mU/L), but she had elevated free thyroid hormones (fT3, fT4), as determined by a one-step chemiluminescent assay...
August 18, 2016: Thyroid: Official Journal of the American Thyroid Association
James D Faix, W Greg Miller
Iodine is an essential component of thyroid hormone. Because thyroid hormone synthesis is affected by iodine deficiency on the one hand and by excess iodine intake on the other, thyroid function biomarkers may be useful for assessing iodine status and studying the effects of iodine supplementation. However, reference intervals for some of the most useful thyroid function biomarkers, including serum concentrations of thyroid-stimulating hormone (TSH), free thyroxine (FT4), and thyroglobulin, vary widely due to variability in the commercially available immunoassays for these tests...
September 2016: American Journal of Clinical Nutrition
Elizabeth N Pearce, Kathleen L Caldwell
The accurate assessment of population iodine status is necessary to inform public health policies and clinical research on iodine nutrition, particularly the role of iodine adequacy in normal neurodevelopment. Urinary iodine concentration (UIC) directly reflects dietary iodine intake and is the most common indicator used worldwide to assess population iodine status. The CDC established the Ensuring the Quality of Iodine Procedures program in 2001 to provide laboratories that measure urinary iodine with an independent assessment of their analytic performance; this program fosters improvement in the assessment of UIC...
September 2016: American Journal of Clinical Nutrition
Hubert W Vesper, Gary L Myers, W Greg Miller
Effective patient care, clinical research, and public health efforts require comparability of laboratory results independent of time, place, and measurement procedure. Comparability is achieved by establishing metrological traceability, which ensures that measurement procedures measure the same quantity and that the calibration of measurement procedures is traceable to a common reference system consisting of reference methods and materials. Whereas standardization ensures traceability to the International System of Units, harmonization ensures traceability to a reference system agreed on by convention...
September 2016: American Journal of Clinical Nutrition
Hatice Şakı, Arzu Cengiz, Yakup Yürekli
OBJECTIVE: The aim of this retrospective study is to evaluate the treatment outcomes in patients with toxic nodular goiter (TNG) that received radioiodine treatment (RAIT) and to determine the influence of age, gender, nodule size, I-131 dose, underlying etiology and antithyroid drugs on the outcomes of RAIT. METHODS: Two hundred thirty three patients (mean 64±10 years old) with TNG that received RAIT were included in the study. Treatment success was analyzed according to demographic (age and gender) and clinical data (thyroid function tests before and after RAIT, thyroid sonography and scintigraphy, I-131 dose, antithyroid drugs)...
October 5, 2015: Molecular Imaging and Radionuclide Therapy
Hilal Bektas Uysal, Mediha Ayhan
Hashimoto's thyroiditis (HT) is the most common endocrine disorder leading to hypothyroidism. HT is characterized by the presence of elevated circulating antibodies, especially anti-thyroid peroxidase (anti-TPO) and anti-thyroglobulin (anti-Tg). In our study, we aimed to reveal the effects of autoimmunity on health-related quality of life of euthyroid HT patients. Patients who were admitted to the Adnan Menderes University Outpatient Clinic were enrolled. The medical records of the patients were surveyed and their demographical data were collected...
August 2016: Kaohsiung Journal of Medical Sciences
Chun-Jui Huang, Chi-Lung Tseng, Chia-Huei Chu, De-Feng Huang, Chin-Chou Huang, Liang-Yu Lin
RATIONALE, AIMS AND OBJECTIVES: Baseline thyroid function testing and regular follow-up of thyroid function under amiodarone usage was recommended by guidelines. Little is known about the status of amiodarone monitoring in real-world clinical care in Taiwan. The objective was to determine the rate of thyroid monitoring and to assess the clinical and physicians' characteristics associated with adequate monitoring in a tertiary referral centre for arrhythmia. METHODS: We reviewed the medical records of patients receiving amiodarone during the period 2008-2009 at Taipei Veterans General Hospital...
August 12, 2016: Journal of Evaluation in Clinical Practice
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