pretibial myxedema n myxedema characterized primarily by a mucoid edema in the pretibial area
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localized myxedema associated with hyperthyroidism and exophthalmos, typically found on the anterior (pretibial) surface of the legs; the mucin deposits appearing as both plaques and papules. Called also Graves, infiltrative, or thyroid dermopathy and circumscribed or nodular m.Medical dictionary. 2011.