منابع مشابه
THYROID FUNCTION TESTS Thyroid Stimulating Hormone (TSH): The thyroid stimulating hormone (TSH) assay measures the concentration of thyroid stimulating hormone in the serum. TSH assays
The thyroid stimulating hormone (TSH) assay measures the concentration of thyroid stimulating hormone in the serum. TSH assays have been classified by "generation" based on the functional sensitivity of the assay, i.e., the lowest concentration at which the assay is able to maintain an inter-assay precision, expressed in terms of percent coefficient of variation (%CV), of 20% or less. Virtually...
متن کاملInvestigating low thyroid stimulating hormone (TSH) level.
This series of occasional articles provides an update on the best use of key diagnostic tests in the initial investigation of common or important clinical presentations. The series advisers are Steve Atkin, professor, head of department of academic endocrinology, diabetes, and metabolism, Hull York Medical School; and Eric Kilpatrick, honorary professor, department of clinical biochemistry, Hul...
متن کاملEffects of Thyroid Hormone (T4, T3 ), Bromocriptine And Triac on Inappropriate TSH Hypersecretion
Inappropriate TSH hypersecretion was diagnosed in a 34 years old woman. Earlier she had been treated by ablative therapy for hyperthyroidism. The present diagnosis was based on elevated basal serum TSH levels despite elevated serum free thyroid hormone level. Her TSH responses to TRH (peak value 240 mu/I) was high. Her albumin and prealbumin levels were normal. The serum TBG level, alpha subuni...
متن کاملMolecular Cloning (TSH) f3 Subunit of Quail Thyroid-Stimulating Hormone
Thyroid-stimulating hormone (TSH) fi subunit cDNA was obtained from Japanese quail (Coturnix japonica) by PCR and its nucleotide sequence was determined. The cDNA encodes a putative signal peptide and a mature protein consisting of 20 and 114 amino acids, respectively. The amino acid sequence of quail TSHf subunit shows homologies of 67-69% in mammalian species, 58% in amphibian and 43-49% in t...
متن کاملFalsely elevated thyroid-stimulating hormone (TSH) level due to macro-TSH.
We encountered a 60-year-old woman with remarkably elevated thyroid-stimulating hormone (TSH) level as measured by electrochemiluminescent immunoassay (ECLIA), but with no specific symptoms, and with normal levels of free T3 and free T4. We performed the following investigations: polyethylene glycol (PEG) precipitation test, human antimouse IgG antibody (HAMA) interference test, and 3 additiona...
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ژورنال
عنوان ژورنال: Cancer Epidemiology Biomarkers & Prevention
سال: 2018
ISSN: 1055-9965,1538-7755
DOI: 10.1158/1055-9965.epi-17-0806