The hyperthyroidism that develops is one of many somatic and psychiatric manif. B theoretical model of the pathogenesis of thyroidassociated ophthalmopathy. Ppt graves disease powerpoint presentation free to. Ultimately, the hyperthyroidism manifested by patients affected by the disease is caused by the production of autoantibodies against the thyrotropin receptor tshr, which mimic the effects of the hormone on thyroid cells, thereby stimulating autonomous production of thyroxine and triiodothyronine. Graves disease, one of the autoimmune thyroid diseases, is caused by the production of igg autoantibodies directed against the thyrotropin receptor. For more information on how to find an endocrinologist, download free publications, translate this fact sheet into other languages, or make a contribution to the hormone foundation, visit. The pathogenesis of graves disease is illustrated in fig. Graves disease is an autoimmune disorder in which the thyroid is activated by antibodies to the thyrotropin receptor. A free powerpoint ppt presentation displayed as a flash slide show on id. Graves disease is an autoimmune condition of the thyroid. Graves disease gd is an autoimmune disorder responsible for 6090% of thyrotoxicosis, with an incidence of 1 to 2 cases per population per year in england. Hyperthyroidism in graves disease is due to the binding of stimulatory autoantibodies to the tsh receptor tshr on thyroid follicular cells. In graves disease, the main autoantigen is the thyroidstimulating hormone tsh receptor tshr, which is expressed primarily in the thyroid but also in adipocytes, fibroblasts, bone cells, and a variety of additional sites 4,5. Downloaded from by kevin rosteing on november 11, 2016.
The pathology of hyperthyroidism endocrinology frontiers. Graves, md, circa 1830s, is an autoimmune disease characterized by hyperthyroidism due to circulating autoantibodies. Pathophysiology of disease 7th edition pdf free download. Graves disease is the most common autoimmune disease, affecting 0. Pdf graves ophthalmopathy go, an autoimmune condition associated with graves disease. Graves disease the journal of clinical endocrinology. In this part of the article, you will be able to access the pathophysiology of disease 7th edition pdf almost instantly using our direct links mentioned at the end of this article. Beginning with the descriptive pathology of classical graves disease and the less common toxic nodular goiter and hyperfunctioning thyroid. Thyroidstimulating immunoglobulins tsis bind to and activate thyrotropin receptors, causing the thyroid gland to grow and the thyroid follicles to increase synthesis of thyroid hormone.
The familial clustering and the studies in twins suggest genetic factors in the pathogenesis of the disease. The role of stress in the pathophysiology of graves disease is suggested by several clinical observations, by recent advances in immunology and by better understanding of autoimmune diseases which provides new insights into potential effects of stress hormones on t helper cell imbalance involved in the pathogenesis of autoimmune diseases. Graves disease is caused by thyroid stimulating immunoglobulin tsi, also known as thyroid stimulating. Graves disease taylor dobbs graves disease the most common form of hyperthyroidism when the immune system mistakenly attacks your thyroid gland and causes it to. Graves disease is an autoimmune disease in which t lymphocytes become sensitized to antigens within the thyroid. Graves disease is an autoimmune disease that leads to a generalized overactivity of the entire thyroid gland. The role of stress in the pathophysiology of graves disease is suggested by several clinical. Pdf on jan 1, 2018, irene campi and others published graves disease find, read and. In order to ensure faster downloads and user safety, we have uploaded this. Graves disease usually affects people between ages 30 and 50, but can occur at any age. It occurs more commonly amongst women, smokers and patients with other autoimmune diseases or a family history of thyroid autoimmunity manji et al. Introduction graves ophthalmopathy go, an autoimmune condition associated with graves disease gd, occursat a prevalence of nearly 40% in patients diagnosed. In addition to the immunological role present in the pathophysiology of go, the genetic component.