Abstract:SUMMARY.We have investigated a sensitive immunoradiometric assay for serum thyroid-stimulating hormone (TSH) in 45 thyrotoxic patients not on treatment, 464 euthyroid patients and 111 hypothyroid patients on replacement therapy. Fortythree thyrotoxic and seven euthyroid patients were found to have an undetectable TSH (less than 0·2 mIUIL). Previous work has shown a very clear separation of thyrotoxic and euthyroid patients using sensitive TSH assays. However, our extended study here has revealed that a signifi… Show more
“…The sensitive TSH assay has been proposed as the best single first-line test for thyroid function by many authors [4,5,8,21,22]. However, most previous reports are based on selected groups of thyrotoxic.…”
“…The sensitive TSH assay has been proposed as the best single first-line test for thyroid function by many authors [4,5,8,21,22]. However, most previous reports are based on selected groups of thyrotoxic.…”
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