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Hypothyroidism is more common in women than in men. [3] People over the age of 60 are more commonly affected. [3] Dogs are also known to develop hypothyroidism, as are cats and horses, albeit more rarely. [13] The word hypothyroidism is from Greek hypo-'reduced', thyreos 'shield', and eidos 'form', where the two latter parts refer to the ...
Compression of trachea, dysphagia are probable outcomes. Marked thyroid follicular cell atrophy confirms hypothyroidism. Signs of hypothyroidism include myxedema, lethargy, cold-intolerance, apathy, slowed intellectual functions, dysthymia or simply depressive-mood, decreased sympathetic activity induced constipation and decreased perspiration.
Thyroid diseases are highly prevalent worldwide, [10] [11] [12] and treatment varies based on the disorder. Levothyroxine is the mainstay of treatment for people with hypothyroidism, [13] while people with hyperthyroidism caused by Graves' disease can be managed with iodine therapy, antithyroid medication, or surgical removal of the thyroid ...
It is the most common cause of hypothyroidism in developed countries. [10] It typically begins between the ages of 30 and 50. [3] [4] Rates of the disease have increased. [9] It was first described by the Japanese physician Hakaru Hashimoto in 1912. [11] Studies in 1956 discovered that it was an autoimmune disorder. [12]
Acute infectious thyroiditis (AIT) also known as suppurative thyroiditis, microbial inflammatory thyroiditis, pyrogenic thyroiditis and bacterial thyroiditis. [1] [2] [3]The thyroid is normally very resistant to infection.
Of those women who experience hypothyroidism associated with postpartum thyroiditis, one in five will develop permanent hypothyroidism requiring lifelong treatment. Postpartum thyroiditis is believed to result from the modifications to the immune system necessary in pregnancy, and histologically is a subacute lymphocytic thyroiditis .
In all three types of thyroiditis, there is inflammation of the thyroid gland which leads to clinical symptoms in three phases. The initial thyrotoxic phase is followed by hypothyroid phase before reaching a euthyroid phase where normal thyroid function in restored.
Causes include alcohol use disorder, refeeding in those with malnutrition, recovery from diabetic ketoacidosis, burns, hyperventilation, and certain medications. [1] It may also occur in the setting of hyperparathyroidism , hypothyroidism , and Cushing syndrome . [ 1 ]