myxedema /myx·ede·ma/ (-sĕ-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
Myxedema
myxedema
myxedema (mīks
dē´m),
myxedema
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.
myx·e·de·ma (m k s-d  m )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. myx e·dema·tous (-d m-ts, -dm-), myxe·demic (-dmk) adj. |
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
myxedema
[mik′sədē′mə]
Etymology: Gk, myxa, mucus, oidema, swelling
the most severe form of hypothyroidism. It is characterized by swelling of the hands, face, feet, and periorbital tissues and may lead to coma and death. Also spelled myxoedema. See also hypothyroidism.
myxedema (mīks
dē´m),n See hypothyroidism.
myxedema
a mucinous degeneration with thickening of the skin that occurs in hypothyroidism. In animals it occurs mainly in newborn piglets and dogs.
myxedema
Endocrinology Severe hypothyroidism characterized by yellowish discoloration, nonpitting edema, especially facial, accompanied by periorbital puffiness, puffy lips, and tongue, hoarse voice and sluggish movement; myxedema elicits
several reactions a sui generis
Myxedema
Myxedema coma A complication of severe hypothyroidism, characterized by a loss of consciousness, which may be iatrogenic–sedatives in hypothyroidism are very slowly metabolized, may be due to infections or cold exposure; or rarely,
occurring spontaneously Mortality 20-50%
Myxedema madness A condition most common in the elderly, characterized by impaired hearing and memory, acalculia, somnolence, psychologic withdrawal, and paranoia
Myxedema megacolon Pseudo-obstruction due to ↓ GI motility
Myxedema wit Confabulation or use of humorous non-sequiturs by a hypothyroid Pt in order to draw the interviewer's attention away from the Pt's impaired memory
How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content.
| ?Page tools | ||
|---|---|---|
|