Livedo reticularis (LR) is a skin condition that often reflects what may be happening inside the body. It appears as a purplish, lace-like discoloration on the skin, commonly on the legs, arms, or trunk. Though the pattern may look concerning, LR isn’t always dangerous. In many cases, it’s harmless and temporary. However, when persistent, it may be associated with systemic conditions that require medical evaluation. The skin pattern in LR results from disrupted or uneven blood flow in small vessels, leading to a pooling of deoxygenated blood. It becomes more visible in cold weather and may fade when the skin...
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