Ads
related to: what causes purpura
Search results
Results From The WOW.Com Content Network
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 ]
There are numerous causes of palpable purpura, such as autoimmune diseases, drug reactions, vaccinations, and infections.The most common infectious causes are N. gonorrhoeae, S. aureus, and N. meningitides, however palpable purpura has also been caused by Mycoplasma spp., Rickettsiae, Mycobacterium, and very rarely by Treponema pallidum, Brucella spp., Yersinia, Campylobacter, and Bartonella.
Schamberg's disease, (also known as "progressive pigmentary dermatosis of Schamberg", [1] "purpura pigmentosa progressiva" (PPP), [1] and "Schamberg's purpura" [1]) is a chronic discoloration of the skin found in people of all ages, usually only affecting the feet, legs or thighs or a combination. It may occur as a single event or subsequent ...
IgA vasculitis (HSP), previously known as Henoch–Schönlein purpura, is an autoimmune disease that most commonly affects children.In the skin, the disease causes palpable purpura (small, raised areas of bleeding underneath the skin), often with joint pain and abdominal pain.
Immune thrombocytopenic purpura (ITP), also known as idiopathic thrombocytopenic purpura or immune thrombocytopenia, is an autoimmune primary disorder of hemostasis characterized by a low platelet count in the absence of other causes.
Retiform purpura is a cutaneous morphology characterized by a branching , non-blanching patch, plaque, or lesion that develops when blood vessels supplying the skin become obstructed. [ 2 ] [ 3 ] This blockage leads to downstream cutaneous ischemia , or insufficient blood supply to the skin, causing purpura , necrosis , and potentially ...
Individual purpura measure 3–10 mm (0.3–1 cm, 3 ⁄ 32-3 ⁄ 8 in), whereas petechiae measure less than 3 mm. [2] A non-blanching rash can be a symptom of bacterial meningitis , [ 3 ] but this is not the exclusive cause.
Pigmented purpuric dermatosis refers to one of the three major classes of skin conditions characterized by purpuric skin eruptions.. Pigmented purpuric dermatosis are distinguished from other purpura by size (0.3–1 cm) and are most often seen in the lower extremities.