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Thyroid testing

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https://www.readbyqxmd.com/read/28821980/serum-calcitonin-reference-values-for-calcium-stimulation-tests-by-electrochemiluminescence-immunoassay-in-japanese-men-with-non-medullary-thyroid-carcinoma
#1
Minoru Kihara, Akira Miyauchi, Takumi Kudo, Mitsuyoshi Hirokawa, Akihiro Miya
PURPOSE: Calcitonin is the most sensitive tumor marker of medullary thyroid carcinoma (MTC) and a calcium stimulation test is used to improve this sensitivity. In Japan, the electrochemiluminescence immunoassay (ECLIA) is currently the only test performed to measure serum calcitonin. There is a gender difference in the reference value of serum calcitonin; however, a reference upper limit for use with ECLIA has been reported only for women, but not for men. METHODS: We conducted the calcium stimulation test using ECLIA in 21 men with non-medullary thyroid carcinoma (non-MTC), before and after total thyroidectomy...
August 18, 2017: Surgery Today
https://www.readbyqxmd.com/read/28819755/importance-of-fna-technique-for-decreasing-non-diagnostic-rates-in-thyroid-nodules
#2
Amarbir S Gill, Richard Amdur, Arjun S Joshi
To identify potential interventions that may lower the high non-diagnostic rates associated with ultrasound guided (US) fine needle aspiration (FNA) biopsy of the thyroid nodule. A case series of 164 thyroid nodule US-guided FNA was identified retrospectively. The following variables were analyzed in regards to diagnostic and non-diagnostic sampling: patient age, gender, size of nodule, biopsy technique (capillary vs. aspiration), needle gauge (23 vs. 25), and physician experience. The FNA diagnosis, and final pathology, when applicable, was recorded for each sample using the Bethesda criteria...
August 17, 2017: Head and Neck Pathology
https://www.readbyqxmd.com/read/28817592/using-k-dependence-causal-forest-to-mine-the-most-significant-dependency-relationships-among-clinical-variables-for-thyroid-disease-diagnosis
#3
LiMin Wang, FangYuan Cao, ShuangCheng Wang, MingHui Sun, LiYan Dong
Numerous data mining models have been proposed to construct computer-aided medical expert systems. Bayesian network classifiers (BNCs) are more distinct and understandable than other models. To graphically describe the dependency relationships among clinical variables for thyroid disease diagnosis and ensure the rationality of the diagnosis results, the proposed k-dependence causal forest (KCF) model generates a series of submodels in the framework of maximum spanning tree (MST) and demonstrates stronger dependence representation...
2017: PloS One
https://www.readbyqxmd.com/read/28816541/variability-in-thyroid-cancer-management-and-prognosis-among-hispanic-versus-non-hispanic-patients-17-years-data-from-university-of-texas-health-science-center-and-university-health-system-at-san-antonio
#4
Sara Ahmadi, Carol Ramirez Rojas, Maria Luisa Policarpio-Nicolas, Darlene Metter, Diane Avery, Thomas J Prihoda, Mona M Sabra
Abstracts: Objective : Given the increase in the incidence of thyroid cancer in the United States, and it's potential public health implications, patient studies assessing ethnic, disparity and health care access are important. In this study, we retrospectively examined the variability in stage of thyroid cancer at presentation and final outcome among Hispanic vs non-Hispanic patients. METHOD: After obtaining IRB approval, we retrospectively reviewed the medical records of 220 adult patients with papillary thyroid carcinoma(PTC) who were treated at UT Health Science Center San Antonio between1996 and 2013...
August 17, 2017: Endocrine Practice
https://www.readbyqxmd.com/read/28816534/seven-familial-dysalbuminemic-hyperthyroxinemia-cases-in-three-unrelated-japanese-families-and-high-performance-liquid-chromatography-analysis-of-the-thyroxine-binding-profile
#5
Hidekazu Nagano, Yoshinori Nakagawa, Naofumi Ishikawa, Yuya Watanabe, Yui Miyabayashi, Akitoshi Nakayama, Masanori Fujimoto, Eri Komai, Akina Shiga, Ai Tamura, Takashi Kono, Tomoko Takiguchi, Seiichiro Higuchi, Ikki Sakuma, Naoko Hashimoto, Sawako Suzuki, Hisashi Koide, Kotaro Yokote, Tomoaki Tanaka
OBJECTIVE: Familial dysalbuminemic hyperthyroxinemia (FDH) is caused by abnormal human serum albumin (HSA) with an increased thyroxine (T4) affinity leading to euthyroid hyperthyroxinemia. One- and two-step immunoassay of serum samples from FDH patients (e.g., Japanese patients) with the HSA R218P mutation can yield false-positive free thyroxine (FT4) results. Therefore, it is difficult to distinguish FDH from syndrome of inappropriate secretion of thyroid-stimulating hormone (e.g., syndrome of resistance to thyroid hormone, thyroid-stimulating hormone [TSH]-producing pituitary adenoma), even when multiple assays are used...
August 17, 2017: Endocrine Practice
https://www.readbyqxmd.com/read/28815788/association-between-radioiodine-treatment-for-thyroid-cancer-and-risk-of-stroke
#6
Chun-Yi Lin, Cheng-Li Lin, Yi-Chen Lo, Chia-Hung Kao
BACKGROUND: The purpose of this study was to evaluate the association between radioiodine (I-131) therapy for thyroid cancer and the risk of stroke in Taiwan. METHODS: A total of 10 104 of the patients aged 20 years or older, who were newly diagnosed with thyroid cancer during 2000-2010, were recruited and classified into 2 cohorts according to whether they received I-131 therapy through 1:1 propensity score matching. The cumulative Kaplan-Meier curves for the incidence of stroke in the 2 cohorts were compared using the log-rank test...
August 16, 2017: Head & Neck
https://www.readbyqxmd.com/read/28811694/estimation-of-upper-limit-of-normal-for-serum-alanine-transaminase-in-healthy-south-indian-population
#7
Pazhanivel Mohan, Varun Sundar, Emmanuel Bhaskar, Syluvai Anthony
Alanine aminotransferase (ALT) is the most common and cost effective screening test for asymptomatic liver disease. There is paucity of data on normal ALT among healthy individuals in India. An observational cross sectional study was conducted from January to July 2013 to estimate the upper limit of normal for ALT in healthy south Indian population. Adults undergoing voluntary or pre-employment health screening were included. Those with current and past alcoholism or smoking, acute illness or hospitalization during preceding 12 months, non-steroidal anti-inflammatory or over the counter medication use within a month, current or past intake of herbal medications, any chronic medical illness, abnormal body mass index (BMI), fatty liver in ultrasound, abnormality in haemoglobin, platelet count, blood sugar, creatinine, lipid profile and thyroid function test and positive serology (Hepatitis B, C or HIV) were excluded...
July 2017: Indian Journal of Clinical Biochemistry: IJCB
https://www.readbyqxmd.com/read/28811156/screening-of-congenital-hypothyroidism-in-preterm-low-birth-weight-and-very-low-birth-weight-neonates-a-systematic-review
#8
REVIEW
Mahin Hashemipour, Silva Hovsepian, Arman Ansari, Mojtaba Keikha, Pooyan Khalighinejad, Negar Niknam
Evidence from different screening programs indicated that the rate of congenital hypothyroidism (CH) was higher in pre-term and low-birth-weight (LBW) newborns than normal ones. Incomplete development of hypothalamic-pituitary axis in this group of neonates results in the delayed rise of TSH and missing cases with CH. Hence, there is a great need for a practicable systematic screening method for proper diagnosis of CH in this group of neonates. In this review, we systematically reviewed papers with the following key words ([Congenital Hypothyroidism AND Screening AND Thyroxine AND Thyroid Stimulating Hormone AND Low Birth Weight AND Premature]) in international electronic databases including PubMed, Scopus, and Google Scholar...
July 22, 2017: Pediatrics and Neonatology
https://www.readbyqxmd.com/read/28810813/newborn-thyroid-screening-influence-of-pre-analytic-variables-on-dried-blood-spot-tsh-measurement
#9
Allison M Butler, Wiyada Charoensiriwatana, Piamnukul Krasao, Rotjanapan Pankanjanato, Penpan Thong-Ngao, Randall C Polson, Gregory L Snow, Joel Ehrenkranz
BACKGROUND: Measuring thyroid stimulating hormone (TSH) eluted from a dried blood spot (DBS) is used to screen an estimated 30 million newborns annually for congenital hypothyroidism. Newborn thyroid screening has eliminated cretinism from the industrialized world and decreased the adverse effects of unrecognized congenital hypothyroidism on neurocognitive development. Hematocrit, a pre-analytic variable that affects the measurement of TSH from a DBS, contributes to the imprecision of DBS TSH measurement and could account for false negative and false positive DBS newborn screening test results...
August 16, 2017: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/28809727/models-of-non-alcoholic-fatty-liver-disease-and-potential-translational-value-the-effects-of-3-5-l-diiodothyronine
#10
Elena Grasselli, Laura Canesi, Piero Portincasa, Adriana Voci, Laura Vergani, Ilaria Demori
Non-alcoholic fatty liver disease (NAFLD) is the most common liver disorder in industrialized countries and is associated with increased risk of cardiovascular, hepatic and metabolic diseases. Molecular mechanisms on the root of the disrupted lipid homeostasis in NAFLD and potential therapeutic strategies can benefit of in vivo and in vitro experimental models of fatty liver. Here, we describe the high fat diet (HFD)-fed rat in vivo model, and two in vitro models, the primary cultured rat fatty hepatocytes or the FaO rat hepatoma fatty cells, mimicking human NAFLD...
August 8, 2017: Annals of Hepatology
https://www.readbyqxmd.com/read/28808493/pulmonary-consequences-of-hypothyroidism
#11
Samiaa Hamdy Sadek, Walaa Anwar Khalifa, Ahmad Metwally Azoz
BACKGROUND: Although hypothyroidism has an insidious onset and relatively asymptomatic, exertional dyspnea and fatigue can be the presenting complaints. OBJECTIVES: The aim is to assess functional lung impairment in hypothyroid patients both at rest and during exercise. METHODS: A case-control study was carried out on 42 patients with newly diagnosed hypothyroidism and 12 control subjects. Hypothyroidism was diagnosed based on high value of thyroid stimulating hormone (TSH) ≥6 μIU/ml, and low value of free thyroxin (FT4) ≤0...
July 2017: Annals of Thoracic Medicine
https://www.readbyqxmd.com/read/28805135/intermittent-dosing-of-dabrafenib-and-trametinib-in-metastatic-brafv600e-mutated-papillary-thyroid-cancer-two-case-reports
#12
Paul S White, Anita Pudusseri, Stephanie L Lee, Omar Eton
BACKGROUND: A multi-institutional randomized Phase II trial of continuous dosing of dabrafenib with or without trametinib is ongoing in metastatic thyroid cancer. Preclinical evidence and emerging clinical experience in other cancers support evaluating intermittent dosing of these two agents to achieve more durable response, while being better tolerated and more cost effective. PATIENTS: Two consecutive patients with symptomatic, metastatic radioactive iodine (RAI) resistant BRAF V600E mutated papillary thyroid cancer and poor performance status were treated initially with dabrafenib 150mg twice daily plus trametinib 2mg once daily, first in continuous daily dosing, then in a five-week-on and three-week-off schedule...
August 12, 2017: Thyroid: Official Journal of the American Thyroid Association
https://www.readbyqxmd.com/read/28804925/relationship-between-total-homocysteine-folic-acid-and-thyroid-hormones-in-hypothyroid-dogs
#13
M Gołyński, K Lutnicki, W Krumrych, M Szczepanik, M Gołyńska, P Wilkołek, Ł Adamek, Ł Sitkowski, Ł Kurek
BACKGROUND: Both elevated homocysteine and decreased folic acid concentrations are observed in human patients with hypothyroidism and can influence the development of numerous secondary disorders. OBJECTIVES: The aim of the study was to assess total homocysteine concentration in serum and to examine its relationship with the concentration of folic acid and thyroid hormones (tT4 and fT4). ANIMALS: Ten healthy and 19 hypothyroid client-owned dogs...
August 14, 2017: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/28804607/effects-of-buprenorphine-in-the-adrenal-thyroid-and-cytokine-intra-operative-responses-in-a-rat-model-rattus-norvegicus-a-preliminary-study
#14
Nuno M Félix, Rodolfo O Leal, I Goy-Thollot, Ronald S Walton, Solange A Gil, Luísa M Mateus, Ana S Matos, Maria M R E Niza
OBJECTIVES: Buprenorphine is a common analgesic in experimental research, due to effectiveness and having few side-effects, including a limited influence in the immune and endocrine systems. However, how buprenorphine affects cytokine levels and the adrenal and thyroid response during general anesthesia and surgery is incompletely understood. This study aimed to assess whether buprenorphine modulated significantly those responses in rats submitted to general anesthesia, mechanical ventilation, and surgical insertion of intravascular catheters...
April 2017: Iranian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/28802863/comparison-of-three-different-assays-for-measuring-thyroglobulin-and-thyroglobulin-antibodies-in-patients-with-chronic-lymphocytic-thyroiditis
#15
Xinqi Cheng, Songlin Yu, Cheng Jin, Song Han, Yingying Hu, Kui Zhang, Huaicheng Liu, Ling Qiu
OBJECTIVE: To evaluate how thyroglobulin (Tg) and thyroglobulin antibody (TgAb) results compare among different chemiluminescence methods. METHODS: Serum specimens from 153 patients with thyroiditis and 127 apparently healthy individuals were collected at the Peking Union Medical College Hospital from September 2014 to December 2014. TgAb and Tg levels were analyzed by using three different platforms manufactured by Roche, Beckman, and Siemens. The χ(2) test was performed to analyze the TgAb results from the different methods...
August 9, 2017: Clinical Biochemistry
https://www.readbyqxmd.com/read/28800917/thyrotoxic-rubber-antioxidants-2-mercaptobenzimidazole-and-its-methyl-derivatives-cause-both-inhibition-and-induction-of-drug-metabolizing-activity-in-rat-liver-microsomes-after-repeated-oral-administration
#16
Atsuko Miyajima, Kazue Sakemi-Hoshikawa, Makoto Usami, Katsuyoshi Mitsunaga, Tomohiko Irie, Yasuo Ohno, Momoko Sunouchi
We examined the effects of thyrotoxic rubber antioxidants, 2-mercaptobenzimidazole (MBI, 0.3 mmol/kg/day) and its methyl derivatives, methyl-MBIs [4-methyl-MBI (4-MeMBI, 0.6 mmol/kg/day), 5-methyl-MBI (5-MeMBI, 0.6 mmol/kg/day), and 4(or 5)-methyl-MBI (4(5)-MeMBI, 0.6 or 1.2 mmol/kg/day)], on the drug-metabolizing activity in male rat liver microsomes by 8-day repeated oral administration. The weight of liver and thyroid were increased by all the test chemicals; MBI was most potent, and there was no additive or synergistic effect between 4-MeMBI and 5-MeMBI...
August 9, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28800677/levothyroxine-enhances-glucose-clearance-and-blunts-the-onset-of-experimental-type-1-diabetes-mellitus-in-mice
#17
Livia López-Noriega, Nadia Cobo-Vuilleumier, Álvaro Jesús Narbona-Pérez, Juan Luis Araujo-Garrido, Petra Isabel Lorenzo, José Manuel Mellado-Gil, José Carlos Moreno, Benoit R Gauthier, Alejandro Martín-Montalvo
BACKGROUND AND PURPOSE: Thyroid hormones induce several changes in whole body metabolism that are known to improve metabolic homeostasis. However, adverse side effects have prevented its use in the clinic. In view of the promising effects of thyroid hormones, we investigated the effects of levothyroxine supplementation in glucose. EXPERIMENTAL APPROACH: C57BL/6 mice were treated with levothyroxine from birth to 24 weeks of age, when mice were euthanized. The effects of levothyroxine supplementation on metabolic health were determined...
August 11, 2017: British Journal of Pharmacology
https://www.readbyqxmd.com/read/28800068/galectin-3-performance-in-histologic-a-cytologic-assessment-of-thyroid-nodules-a-systematic-review-and-meta-analysis
#18
REVIEW
Pierpaolo Trimboli, Camilla Virili, Francesco Romanelli, Anna Crescenzi, Luca Giovanella
The literature on Galectin-3 (Gal-3) was systematically reviewed to achieve more robust information on its histologic reliability in identifying thyroid cancers and on the concordance between Gal-3 test in histologic and cytologic samples. A computer search of the PubMed and Scopus databases was conducted by combinations of the terms thyroid and Gal-3. Initially, 545 articles were found and, after their critical review, 52 original papers were finally included. They reported 8172 nodules with histologic evaluation of Gal-3, of which 358 with also preoperative FNAC Gal-3 assessment...
August 11, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28797549/predicting-thyroid-nodule-malignancy-at-several-prevalence-values-with-a-combined-bethesda-molecular-test
#19
Hélène Lasolle, Benjamin Riche, Myriam Decaussin-Petrucci, Emmanuelle Dantony, Véronique Lapras, Catherine Cornu, Joël Lachuer, Jean-Louis Peix, Jean-Christophe Lifante, Oana-Maria Capraru, Samia Selmi-Ruby, Bernard Rousset, Françoise Borson-Chazot, Pascal Roy
OBJECTIVE: Investigation of thyroid nodules using fine-needle aspiration cytology (FNAC) gives indeterminate results in up to 30% of samples using the Bethesda System for Reporting Thyroid Cytopathology (TBSRTC). We present a combined Bethesda-molecular predictor of nodule malignancy to improve the accuracy of the preoperative diagnosis of thyroid nodules. DESIGN: The study sought to detect a molecular signature of thyroid nodule malignancy. METHODS: A molecular test was performed on FNACs from 128 thyroid nodules from prospectively included patients, collected in a tertiary center...
July 22, 2017: Translational Research: the Journal of Laboratory and Clinical Medicine
https://www.readbyqxmd.com/read/28796598/prevalence-correlates-and-time-trends-of-multiple-chronic-conditions-among-israeli-adults-estimates-from-the-israeli-national-health-interview-survey-2014-2015
#20
Samah Hayek, Anneke Ifrah, Teena Enav, Tamy Shohat
INTRODUCTION: Chronic diseases constitute a major public health challenge. The prevalence of multiple chronic conditions (MCC) has increased. The objective of our study was to describe the prevalence, correlates, and time trends of MCC in the Israeli population and among the nation's 2 main population groups (Jewish and Arab). METHODS: To describe the prevalence of correlates of MCC, we used data from the 2014-2015 Israeli National Health Interview Survey-III (INHIS-III)...
August 10, 2017: Preventing Chronic Disease
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