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Thyroglobulin antibodies are specific for thyroglobulin, a 660 kDa matrix protein involved in the process of thyroid hormone production. They are found in 70% of Hashimoto's thyroiditis, 60% of idiopathic hypothyroidism, 30% of Graves' disease, a small proportion of thyroid carcinoma and 3% of normal individuals.
Ingestion of thyroid hormone also suppresses thyroglobulin levels helping to differentiate thyrotoxicosis factitia from other causes of hyperthyroidism, in which serum thyroglobulin is elevated. Caution, however, should be exercised in interpreting thyroglobulin results without thyroglobulin antibodies, since thyroglobulin antibodies commonly ...
Graves' disease is an autoimmune disorder, in which the body produces antibodies that are specific to a self-protein - the receptor for thyroid-stimulating hormone. (Antibodies to thyroglobulin and to the thyroid hormones T3 and T4 may also be produced.) These antibodies cause hyperthyroidism because they bind to the TSHr and chronically ...
Thyroglobulin (Tg) is a 660 kDa, dimeric glycoprotein produced by the follicular cells of the thyroid and used entirely within the thyroid gland. Tg is secreted and accumulated at hundreds of grams per litre in the extracellular compartment of the thyroid follicles, accounting for approximately half of the protein content of the thyroid gland. [5]
[4] [5] It can be distinguished from subacute granulomatous thyroiditis by lack of pain, presence of TPO or thyroglobulin (Tg) antibodies, and normal inflammatory markers. [ 4 ] [ 5 ] Fine needle aspiration (FNA) should be performed in patients who also have a thyroid nodule to rule out thyroid cancer.
Thyroid disease is a medical condition that affects the structure and/or function of the thyroid gland.The thyroid gland is located at the front of the neck and produces thyroid hormones [1] that travel through the blood to help regulate many other organs, meaning that it is an endocrine organ.
This may be used in those with very large thyroids or when cancer is a concern. [1] In the United States hyperthyroidism affects about 1.2% of the population. [3] Worldwide, hyperthyroidism affects 2.5% of adults. [8] It occurs between two and ten times more often in women. [1] Onset is commonly between 20 and 50 years of age. [2]
Data from the Danish Investigation of Iodine Intake and Thyroid Disease shows that within two cohorts (males, females) with moderate and mild iodine deficiency, the levels of both thyroid peroxidase and thyroglobulin antibodies are higher in females, and prevalence rates of both antibodies increase with age.