Myxedema (redirected from myxoedema)

myxedema /myx·ede·ma/ (-se-de´mah) a dry, waxy type of swelling (nonpitting edema) with abnormal deposits of mucin in the skin (mucinosis) and other tissues, associated with hypothyroidism; the facial changes are distinctive, with swollen lips and thickened nose.myxedem´atous

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congenital myxedema  cretinism.

papular myxedema  lichen myxedematosus.

pituitary myxedema  that due to deficient secretion of the pituitary hormone thyrotropin.

pretibial myxedema  localized edema associated with preceding hyperthyroidism and exophthalmos, occurring typically on the anterior (pretibial) surface of the legs, the mucin deposits appearing as both plaques and papules.

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myx·e·de·ma (mks-dm)

n.

A disease caused by decreased activity of the thyroid gland in adults and characterized by dry skin, swellings around the lips and nose, mental deterioration, and a subnormal basal metabolic rate.

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myxe·dema·tous (-dm-ts, -dm-), myxe·demic (-dmk) adj.

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Myxedema

A condition that can result from a thyroid gland that produces too little of its hormone. In addition to a decreased metabolic rate, symptoms may include anemia, slow speech, an enlarged tongue, puffiness of the face and hands, loss of hair, coarse and thickened skin, and sensitivity to cold.

Mentioned in: Hypothyroidism, Thyroid Function Tests

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myxedema (mīksdē´m),

n See hypothyroidism.

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myxedema

a mucinous degeneration with thickening of the skin that occurs in hypothyroidism. In animals it occurs mainly in newborn piglets and dogs.