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1108194 tn?1378424522

Low positive Thyroglobulin antibodies

I have a small hypoechoic nodule in my thyroid.  All the blood tests came back good with the exception of the Thryoglobulin -  It says this:Low positive Thyroglobulin antibodies are seen in a portion of the
asymptomatic populations.

My doctor says that the test are normal?  Can you explain?
THYROGLOBULIN, ANTIBODY  Range: 0.0 - 0.9 IU/mL  My value: <1.0

Thanks
1 Responses
1756321 tn?1547095325
Excerpt from the book "Differential Diagnosis by Laboratory Medicine: A Quick Reference for Physicians" edited by Vincent Marks, Dusan Mesko...

"Anti-Thyroglobulin Antibodies.

Thyroglobulin is quite a strong autoantigen.  In healthy blood there are many B-lymphocytes with membrane-bounded IgM type thyroglobulin antibodies. IgG antibodies against thyroglobulin are Hashimoto's thyroiditis markers. The presence of autoantibodies to thyroglobulin can lead to the functional destruction of the thyroid gland.

Test Purpose. To detect and confirm autoimmune thyroiditis, Hashimoto's thyroiditis.

Increased Values - positive. anaemia (pernicious a., autoimmune hemolytic a.), rheumatoid arthritis, autoimmune disorders, granulomatosis, hyperthyroidism, hypothyroidism, systemic lupus erythematosus, Graves' disease, myasthenia gravis, idiopathic myxedema, myxedema coma, myxedema heart disease, thyroid tumours, syndrome - (Down sy, Sjogren's sy, Turner's sy), thyroiditis - (Hashimoto's t., de Quervain's subacute t.), thyrotoxicosis, rheumatoid - collagen disease, non-toxic nodular goiter

Interfering Factors: healthy people, medicaments - (amiodarone)."
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