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Livedo reticularis is a common skin finding consisting of a mottled reticulated vascular pattern that appears as a lace-like purplish discoloration of the skin. [1] The discoloration is caused by reduction in blood flow through the arterioles that supply the cutaneous capillaries, resulting in deoxygenated blood showing as blue discoloration ().
Purpura (/ ˈ p ɜːr p jʊər ə / [1]) is a condition of red or purple discolored spots on the skin that do not blanch on applying pressure. The spots are caused by bleeding underneath the skin secondary to platelet disorders, vascular disorders, coagulation disorders, or other causes. [2]
Retiform purpura can present as non-raised large patches of purpura, with angulated or net-like border. They can present as painful dark red or purple patches or plaques with bordering branching and central purpura, necrosis, and/or ulceration. They can vary in size from small (1–2 cm) to large (>10 cm), and may be single or multiple ...
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Purpura (purple) – a bruise about 3–5 mm in diameter, generally round in shape Ecchymosis – subcutaneous extravasation of blood in a thin layer under the skin, i.e. bruising or "black and blue", over 1 cm in diameter [ 3 ]
Initially red to pink, flat spots (formally, "macules") and raised bumps (formally, "papules") may be seen on the skin. [5] [6] Once fully developed, the classic appearance is "non-blanching, palpable purpura". [6] [5] [7] This appears as deep red to purple spots that feel raised to the touch. Purpura refers to the red-purple discolored spots ...
Dwayne Johnson has big arms and a big bruise. (Jerod Harris/Getty Images for CinemaCon) (Jerod Harris via Getty Images) From muscles to action movies, Dwayne “the Rock” Johnson does everything ...
Purpura fulminans is an acute, often fatal, thrombotic disorder which manifests as blood spots, bruising and discolouration of the skin resulting from coagulation in small blood vessels within the skin and rapidly leads to skin necrosis and disseminated intravascular coagulation.