Non-depressive myxedema

Non-pitted myxedema is a characteristic clinical response to thyroid hormone deficiency in adults. Primary hypothyroidism (hypothyroidism) is the most common type, probably an autoimmune disease.It usually occurs due to Hashimoto's thyroiditis, often accompanied by a solid goiter. After that, it shrinks as the disease progresses. Fibrous thyroid gland, with little or no function. The second type seen is hypothyroidism after treatment, especially for radioactive iodine and surgical treatment for hyperthyroidism. Propionathiouracil, tabazole, and iodine overtreatment of hypothyroidism, discontinuation of treatment It often recovers later. Mild hypothyroidism is common in older women. Most patients with non-Hashimoto goiter have normal thyroid function or hyperthyroidism, but goiter hypothyroidism can occur in endemic goiter patients. Iodine deficiency can reduce thyroid hormone synthesis; TSH release, and thyroid enlargement under TSH excitement The iodine intake increased significantly with goiter. If there is a severe iodine deficiency, the patient will become hypothyroidism, but since the appearance of iodized salt, the disease has actually been eliminated in the United States. Endemic cretinism is congenital in areas with iodine deficiency The most common cause of hypothyroidism and the main cause of mental disorders worldwide. Rare hereditary enzyme deficiency can impede thyroid hormone synthesis and cause hypothyroidism. Secondary hypothyroidism occurs when there is a lack of TRH secretion in the hypothalamus, failure of the hypothalamic pituitary axis, or a lack of TSH secretion in the pituitary.

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