livedo reticularis


livedo

 [lĭ-ve´do] a discolored patch on the skin, usually associated with cold weather. adj., adj liv´edoid.livedo racemo´sa (livedo reticula´ris) reddish blue, netlike mottling of the skin; it is exacerbated by exposure to cold.

li·ve·do re·tic·u·la·'ris

a persistent purplish network-patterned discoloration of the skin caused by dilation of capillaries and venules due to stasis or changes in underlying blood vessels including hyalinization; rarely appears as a developmental defect. Synonym(s): dermatopathia pigmentosa reticularis

livedo reticularis

Dermatology A bluish mottling of the skin evoked by low temperatures and characterized by vasodilation. See Raynaud's phenomenon.

li·ve·do re·tic·u·la·ris

(li-vē'dō re-tik-yū-lar'is) A persistent purplish network-patterned discoloration of the skin caused by dilation of capillaries and venules due to stasis or changes in underlying blood vessels including hyalinization.

livedo reticularis

An irregular, mottling of the legs in a wide-mesh, fishnet pattern which occurs in CUSHING'S SYNDROME and various collagen diseases. A similar brownish mottling, called erythema ab igne, used to be common in women who sat too close to the fireplace.