Livedo reticularis
A mottled purplish discoloration of the skin. Livedo reticularis can be a normal condition that is simply more obvious when a person is exposed to the cold. Livedo reticularis can also be an indicator of impaired circulation. Livedo reticularis has been reported in association with: Autoimmune diseases such as systemic lupus erythematosus. Abnormal antibodies referred to as phospholipid antibodies. Examples of these antibodies are the cardiolipin antibody and falsely positive testing for syphilis. A syndrome featuring phospholipid antibodies with multiple brain strokes. It is felt that the blood of these patients has a propensity to clot which may predispose to stroke.

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livedo re·tic·u·lar·is -ri-.tik-yə-'ler-əs, -'lar- n a condition of the peripheral blood vessels characterized by reddish blue mottling of the skin esp. of the extremities usu. upon exposure to cold

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a vascular response to any of various disorders, caused by dilation of the subpapillary venous plexus as a result of both increased blood viscosity and blood vessel changes that delay flow away from the skin. Clinical characteristics include reticular, cyanotic skin surrounding pale central areas on the trunk and limbs, becoming more intense on exposure to cold and often disappearing upon warming. The three main types are cutis marmorata, idiopathic livedo reticularis, and secondary livedo reticularis. Called also l. racemosa.

Livedo reticularis.


Medical dictionary. 2011.

Look at other dictionaries:

  • livedo reticularis — Proceso vasoespástico acentuado por la exposición al frío, que se manifiesta por un moteado azul rojizo característico, con un aspecto típico en red de pesca , que afecta a toda la pierna y con menos frecuencia a los brazos. Diccionario Mosby… …   Diccionario médico

  • livedo RETICULARIS AESTIVALIS — (лат. reticulum сеточка, aestivus летний) L. на нижних конечностях, осложняющееся летом отеками и изъязвлениями; встречается у женщин …   Большой медицинский словарь

  • secondary livedo reticularis — symptomatic livedo reticularis types associated with other conditions or disorders, most of which involve blood viscosity changes, embolization, or vessel wall disease; the distribution on the skin is usually asymmetrical and patchy. Associated… …   Medical dictionary

  • idiopathic livedo reticularis — a type of unknown cause, usually seen in young adults, especially women; it is chronic, characterized by symmetrical diffuse lesions, and more common in winter. Some patients develop ulcerations on the legs or feet, either initially or after… …   Medical dictionary

  • livedo racemosa — livedo ra·ce·mo·sa .ras ə mō sə, .rās n LIVEDO RETICULARIS * * * 1. l. reticularis. 2. some authorities limit this term to types of livedo reticularis that persist in spite of warming or other environmental changes …   Medical dictionary

  • LIVEDO — (от лат. lividus багровый), правильнее lividitas, один из видов пассивной гиперемии кожи в форме колеблющегося в. оттенках сетчатого с петлями различных очертаний и величины синевато фиолетового окрашивания кожи, временами исчезающего при… …   Большая медицинская энциклопедия

  • reticularis — see LIVEDO RETICULARIS, ZONA RETICULARIS …   Medical dictionary

  • livedo — A bluish discoloration of the skin, either in limited patches or general. [L. lividness, fr. liveo, to be black and blue] postmortem l. a purple coloration of dependent parts, except in areas of contact pressure, appearing within one half to two… …   Medical dictionary

  • Livedoid vasculitis — Infobox Disease Name = Livedoid vasculitis Caption = DiseasesDB = 7546 ICD10 = ICD10|L|95|0|l|80 ICD9 = ICD9|xxx ICDO = OMIM = MedlinePlus = 001478 eMedicineSubj = derm eMedicineTopic = 39 MeshID = Livedoid vasculitis (also known as livedo… …   Wikipedia

  • List of cutaneous conditions — This is an incomplete list, which may never be able to satisfy particular standards for completeness. You can help by expanding it with reliably sourced entries. See also: Cutaneous conditions, Category:Cutaneous conditions, and ICD 10… …   Wikipedia

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