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  2. Purpura - Wikipedia

    en.wikipedia.org/wiki/Purpura

    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]

  3. Petechia - Wikipedia

    en.wikipedia.org/wiki/Petechia

    A petechia (/ p ɪ ˈ t iː k i ə /; [1] pl.: petechiae) is a small red or purple spot (≤4 mm in diameter) that can appear on the skin, conjunctiva, retina, and mucous membranes which is caused by haemorrhage of capillaries. [2] [3] The word is derived from Italian petecchia 'freckle', of obscure origin. [1]

  4. Livedo reticularis - Wikipedia

    en.wikipedia.org/wiki/Livedo_reticularis

    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 ().

  5. 7 signs your mystery rash is something more serious - AOL

    www.aol.com/news/7-signs-mystery-rash-something...

    6. Purple spots on your hands and feet. These could be a sign of a bacterial infection of the heart, Kroshinsky said. 7. A circular-shaped rash in an area where Lyme disease is endemic.

  6. Cutaneous small-vessel vasculitis - Wikipedia

    en.wikipedia.org/wiki/Cutaneous_small-vessel...

    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 ...

  7. Non-blanching rash - Wikipedia

    en.wikipedia.org/wiki/Non-blanching_rash

    A non-blanching rash (NBR) is a skin rash that does not fade when pressed with, and viewed through, a glass. It is a characteristic of both purpuric and petechial rashes. [ 1 ] Individual purpura measure 3–10 mm (0.3–1 cm, 3 ⁄ 32 - 3 ⁄ 8 in), whereas petechiae measure less than 3 mm. [ 2 ]

  8. Waldenström hyperglobulinemic purpura - Wikipedia

    en.wikipedia.org/wiki/Waldenström...

    Waldenström hyperglobulinemic purpura is a skin condition that presents with episodic showers of petechiae (small red or purple spots) occurring on all parts of the body, most profusely on the lower extremities. [1]: 823 [2]

  9. Solar purpura - Wikipedia

    en.wikipedia.org/wiki/Solar_purpura

    Solar purpura is believed to be caused by skin damage due to chronic sun exposure which leads dermal atrophy. As a result of the dermal atrophy, the dermal connective tissue cannot support the microvasculature and the result is extravasation of blood into the dermis. This results in visible purple spots on the skin. [5]