Myxedema

  Myxedema refers to deposition of mucopolysaccharides in the dermis, which results in swelling of the affected area. One manifestation of myxedema occurring in the lower limb is pretibial myxedema, a hallmark of Graves disease.Myxedema can also occur in the lower leg (pretibial myxedema) and behind the eyes (exophthalmos).

 
Myxoedema is responsible for the thickening of the tongue and the laryngeal and pharnygeal mucous membranes, which results in thick slurred speech and hoarseness, both of which are seen commonly in hypothyroidism.

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