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- Purpura: Causes, Types and Images — DermNet
Purpura is the discolouration of the skin or mucous membranes due to haemorrhage from small blood vessels Signs and symptoms of purpura vary according to type
- Purpura fulminans - DermNet
Purpura fulminans is a rare, rapidly progressive and often fatal form of acute disseminated intravascular coagulation (DIC) It is marked by intravascular coagulation leading to thrombotic occlusion of small and medium-sized vessels, skin necrosis, cardiovascular shock and multi-organ failure It is a dermatological and haematological emergency
- Henoch-Schonlein purpura (anaphylactoid purpura) - DermNet
What is Henoch–Schönlein purpura? Henoch–Schönlein purpura (HSP) is a form of leukocytoclastic or small-vessel vasculitis, most often observed in children It is sometimes called anaphylactoid purpura HSP results from inflammation of the small blood vessels in the skin and various other tissues within the body
- Senile purpura - DermNet
What is senile purpura? Senile purpura is a common, benign condition characterised by the recurrent formation of purple ecchymoses (bruises) on the extensor surfaces of forearms following minor trauma It is also known as Bateman purpura, after British dermatology pioneer Thomas Bateman, who first described it in 1818; and actinic purpura, because of its association with sun damage
- Capillaritis (pigmented purpura) - DermNet
Schamberg disease (progressive pigmented purpura) Schamberg disease is the most common type of capillaritis Regular or irregular crops of red-brown flat patches with cayenne pepper spots on their borders appear for no apparent reason Although most common on the lower legs, the Schamberg form of capillaritis can arise on any part of the body
- Purpura fulminans images - DermNet
View pictures of purpura fulminans in the gallery below Purpura fulminans is a severe and rapidly fatal form of acute disseminated intravascular coagulation (DIC) It is sometimes associated with symmetrical peripheral gangrene (tissue death affecting hands and feet)
- Cutaneous Vasculitis: Classification, Causes, and Features — DermNet
Cutaneous vasculitis is inflammation involving capillaries or blood vessels in the skin Purpura, petechiae, or nodules may be present, as shown in the images below
- Retiform purpura - DermNet
Retiform purpura is a cutaneous sign that falls within the spectrum of reticulate eruptions of vascular origin It comprises non-blanching, purpuric patches or plaques that are angulated or branching (reticular), often accompanied by skin necrosis and ulceration Retiform purpura occurs when cutaneous blood vessels are compromised, resulting in downstream skin ischaemia
- Cutaneous small vessel vasculitis - DermNet
In the skin, small vessel vasculitis presents with palpable purpura Cutaneous small-vessel vasculitis can be idiopathic primary, or secondary to infection, drug or disease It may be neutrophilic, lymphocytic or granulomatous on histopathology Small vessel vasculitis is also called immune complex small vessel vasculitis
- Skin signs of rheumatic disease - DermNet
Henöch–Schonlein purpura — this is an immune-complex mediated form of small vessel vasculitis that normally occurs in children, usually after a respiratory tract infection, and presents with purpura (leukocytoclastic vasculitis) and urticaria with local oedema; it can also cause intestinal vasculitis, intussusception (where one portion of
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