livedo reticularis


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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.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

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.
Farlex Partner Medical Dictionary © Farlex 2012

livedo reticularis

Dermatology A bluish mottling of the skin evoked by low temperatures and characterized by vasodilation. See Raynaud's phenomenon.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.

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.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

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.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005
References in periodicals archive ?
The presence of livedo reticularis required thorough investigations of the underlying mechanism that led to the identification of mutated factor V of coagulation.
Livedo racemosa is a persistent variant of livedo reticularis with a characteristic, large, broken, branching pattern, often on the trunk and proximal limbs.
Livedo reticularis associated with increased titres of anti cardiolipin antibodies in SLE.
In addition, petechial and purpuric rashes, papular eruptions, and rarely erythema nodosum, erythema multiforme, and livedo reticularis may be seen.
The presentation of calcific uremic arteriolopathy in the early stages is typically with dysesthesia, progressing to an erythematous, violaceous rash similar to livedo reticularis. This then evolves to exquisitely painful eschars, most commonly on the lower limbs.
In addition, anti-PL antibodies are positive in 30-40% of SLE patients, but only 1/3 of them develop clinical features of anti-PL syndrome, namely, venous thrombosis, arterial thrombosis, recurrent pregnancy loss, thrombocytopenia and haemolytic anaemia, livedo reticularis, and skin ulcers [39].
Of note only livedo racemosa (irregular and interrupted borders) is associated with pathological conditions such as APS, while livedo reticularis (circular and continuous borders) is considered a benign condition and is more commonly encountered during clinical practice [39].
Livedo reticularis and petechiae were seen on his feet and legs.
PiU della meta dei pazienti con TE e totalmente asintomatica al momento della diagnosi; i rimanenti pazienti manifestano generalmente sintomi "vasomotori" (cefalea, sincopi, dolore toracico atipico, livedo reticularis, scotomi visivi, amaurosis fugax) (6), oppure complicanze trombotiche o emorragiche dovute ad una alterazione quantitativa e qualitativa delle piastrine (7).