WebPurpura is extravasation of red blood cells into the skin or mucous membrane. For this reason, purpuric lesions do not blanch on diascopy (pressing on the lesion with a glass slide or finger). The differential diagnosis for purpura is broad, but it can be quickly narrowed by classifying the lesions based on their morphology, as well as other ... WebSep 12, 2024 · Petechiae are pinpoint non-blanching spots that measure less than 2 mm in size, which affects the skin and mucous membranes. A non-blanching spot is one that …
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WebNov 14, 2024 · Purpuric rash of the left lower extremity (a) and the right popliteal region (b). 2. Methods. Case report and review of the literature. 3. Case. A 95-year-old male presented with a one-day history of a diffuse, mildly tender but nonpruritic palpable purpura of his feet, ankles, and lower legs (Figure 1). WebMeningitis can be caused by bacteria, viruses, fungi, or be non-infective (secondary to some cancers including leukaemia and lymphoma, autoimmune diseases or drugs). 1,2. Young age is the most significant risk factor. Other risk factors include winter season, asplenia, immunocompromise, organ dysfunction, smoking and overcrowding. 1. opening a wine bottle with fire
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WebJan 18, 2024 · Differences between purpura and petechiae. The most obvious difference involves size: petechiae are smaller than 2 mm, while purpura are larger. Purpura may be … WebBruising: Summary. A bruise is a haematoma that forms due to bleeding under intact skin into subcutaneous tissue, caused by vascular damage or injury. Bruising usually occurs as … WebOct 31, 2024 · Henoch-Schönlein Purpura. Henoch-Schönlein purpura (HSP) is a rare condition that is caused by inflammation of blood vessels (vasculitis). It particularly affects children. Blood vessels throughout the body are affected but HSP most often causes a skin rash, tummy (abdominal) pain and joint pains. opening a workbook in excel vba