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  • Title: Autoimmunity and the pathogenesis of localized thyroid autonomy (Plummer's disease).
    Author: Wiener JD, van der Gaag RD.
    Journal: Clin Endocrinol (Oxf); 1985 Dec; 23(6):635-42. PubMed ID: 2869844.
    Abstract:
    The pathogenesis of Plummer's disease (localized thyroid autonomy) is incompletely known. It has been shown that a normal thyroid follicle can harbour cells with widely different properties, and hyperactive follicles may arise from cells with both high replicating and hormonogenic potencies under the influence of chronic mild stimulation. We now find thyroid growth-stimulating immunoglobulins (TGI) to be present in low or intermediate titre in the serum of 7 of 9 patients with Plummer's disease. Haemagglutinating antibodies against thyroid microsomal antigen were present in low titre in two of these as well as in three of 21 other patients with this disorder. Two of the patients had a suppressible goitre in addition to the autonomous nodule. One of these is described in more detail. The possibility is discussed that autoimmunity may play a pathogenic role in Plummer's disease. TGI, in relatively low titres as found here, could exert the chronic mild stimulation supposed to be the prime event in the generation of hyperactive follicles. Whether autonomy is intrinsically present in these follicles or triggered by stimulation, remains to be established. Hyperthyroidism supervenes only when the mass of autonomous cells surpasses a certain limit. It appears that these patients with Plummer's disease should be included in the multidimensional spectrum of autoimmune thyroid disease.
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