Guest guest Posted March 22, 2005 Report Share Posted March 22, 2005 Thanks, Agent Bleu! I also wanted to point out that some of us have low TSH levels, (low enough to indicate hyperthytroidism), yet nonetheless need thyroid replacemet. Strange, but true! In this example, the pituitary is to blame rather than the thyroid itself. See http://www.endocrinesurgeon.co.uk/pituitary/pituitary3-10.html " The key to the diagnosis is that in hypothyroidism of primary thyroidal origin, the low plasma T4/T3 levels are associated with high levels of TSH. In thyrotrophin deficiency, the low T3/T4 levels are associated with low levels of TSH. " " Thyrotrophin is very rarely deficient by itself and is usually associated with a deficiency in other adenohypophysial hormones. " Jess > http://thyroidtoday.com/TTLibrary/current/AACE%20Newsletter.pdf Quote Link to comment Share on other sites More sharing options...
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