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After several case reports in the 18th and 19th centuries, periodic paralysis was first described in full by the German neurologist Karl Friedrich Otto Westphal (1833–1890) in 1885. [ 7 ] [ 8 ] In 1926 the Japanese physician Tetsushiro Shinosaki, from Fukuoka , observed the high rate of thyroid disease in Japanese people with periodic paralysis.
Thyrotoxic myopathy (TM) is a neuromuscular disorder that develops due to the overproduction of the thyroid hormone thyroxine.Also known as hyperthyroid myopathy, TM is one of many myopathies that lead to muscle weakness and muscle tissue breakdown.
PPT typically has several phases, the first of which is hyperthyroidism. This form of hyperthyroidism usually corrects itself within weeks or months without the need for treatment. A struma ovarii is a rare form of monodermal teratoma that contains mostly thyroid tissue, which leads to hyperthyroidism.
Hyperthyroidism may be assumed due to decreased TSH and a transient fT4 increase. In some cases, this can be distinguished from NTIS by a thyroid ultrasound, which is commonly available in the hospital intensive care unit. [2] NTIS looks similar to central hypopituitarism; both frequently have reduced TSH and thyroid hormone levels. [2]
Amiodarone induced thyrotoxicosis (AIT) is a form of hyperthyroidism due to treatment with antiarrhythmic drug, amiodarone. Amiodarone induced thyroid dysfunction more commonly results in hypothyroidism, estimated to occur in 6-32% of patients, whereas hyperthyroidism from amiodarone use is estimated at 1-12%. [1]
Regardless of the inconsistent findings, a 2007 study by Andersen et al. states that the distinction between sub-clinical and overt thyroid disease is in any case somewhat arbitrary. [55] Sub-clinical hyperthyroidism has been reported in 63% of euthyroid Graves' disease, [56] but only in 4% of cases where Graves' disease was in remission. [57]
Most common causes of hyperthyroidism by age. [6]A thyroid adenoma is distinguished from a multinodular goiter of the thyroid in that an adenoma is typically solitary, and is a neoplasm resulting from a genetic mutation (or other genetic abnormality) in a single precursor cell. [7]
Many of these individuals have underlying primary causes of hyperthyroidism (Graves' disease, toxic multi-nodular goiter, solitary toxic adenoma, or amiodarone). However, thyroid storm can occur in individuals with unrecognized thyrotoxicosis experiencing non-thyroid surgery, labor, infection, or exposure to certain medications and ...