OBJECTIVE To review the epidemiological literature relevant to evaluating the risk of adverse effects on thyroid function associated with environmental perchlorate exposure. METHODS All studies investigating possible adverse effects of environmental perchlorate exposure on thyroid function in adults or in pregnant women and their newborns were critically evaluated. RESULTS There is no credi...

during the islamic lunar month of ramadan millions of muslims abstain from drinking and eating from dawn to sunset. the objective of this study was to investigate the effect of intermittent islamic fasting on reproductive function, hypothalamic-pituitary-thyroid axis and the peripheral metabolism of thyroid hormones in men. we measured serum levels of fsh. lh, testosterone, prolactin, fsh, t4 a...

The concept of decision-aiding ranges were introduced to improve diagnostic efficiency. The clinical uncertainty in distinguishing borderline cases of hyperthyroidism and hypothyroidism among 1559 consecutive requests for thyroid function tests was 47%. This was reduced to 22% by using the free thyroxine index and to under 2% by using specific tests determined by the decision-aiding ranges.

Thyroid cancer (TC) is categorized into papillary, follicular, medullary, and anaplastic. The TC increasing in several countries, including China, the United States, Kingdom, Canada, France, Australia, Germany, Japan, Spain, Italy. Thus, this review comprehensively covers factors that affect thyroid gland function, types, risk factors, symptoms. Lifestyle (such as nutrient consumption smoking) ...

BACKGROUND Limitations in our current knowledge of normative physiologic changes in thyroid function during the periconception window narrow our ability to establish an optimal approach to screening and diagnosis of thyroid disease in pregnant women. The objective of this study was to characterize changes in thyroid function during the transition from the pre-pregnant to pregnant state in norma...

in 30 patient with single cold thyroid nodule and normal thyroid function tests, 99mtc-mibi scan is performed. the nodules are divided to hot (10), warm (12) and cold (8). fna reported papillary ca in 4, suspicious follicular neoplasm in 3 and 23 benign lesions. 7 patients were operated on and had final pathology reports (4 papillary ca and 3 benign lesions). all the nodules with no mibi uptake...

hydroxyurea (hu) has been successfully used in patients with β-thalassemia intermedia (β-ti). we aimed to evaluate the effect of the long-term use of hu on thyroid function in patients with β-ti. seventy-five patients with β-ti aged≥11 years and taking hu were randomly selected during 2010 in southern iran. thirty-one patients with β-ti without hu were considered as a control group. serum level...

background: one of the most common endocrine problems in major beta-thalassemia is hypothyroidism (ht). the aim of this study was to evaluate thyroid function status in major beta-thalassemia patients older than 10 years old. methods: this cross sectional study was carried out on thalassemia major patients registered on thalassemia center of amirkola children hospital in babol. a questionnaire ...