Urticaria_dermagraphism = الشرى —الكتوبية الجلدية DERMOGRAPHISM Dermographism is the most common form of physical urticaria and is the one most likely to be confused with chronic urticaria. A lesion appears as a linear wheal with a flare at a site at which the skin is briskly stroked with a firm object . A transient wheal appears rapidly and […]
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Urticaria-contact =الشرى بالتماس Contact Urticaria Urticaria may occur after direct contact with a variety of substances. It may be IgE mediated or nonimmunologic. The transient eruption appears within minutes, and when it is IgE mediated, it may be associated with systemic manifestations. Passive transfer has been documented in some instances. Proteins from latex […]
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Urticarial reaction to a wasp sting = ارتكاس شروي تالي للدغ الدبور
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Urticarial vasculitis = التهاب الاوعية الشروي Urticarial vasculitis = التهاب الاوعية الشروي Urticarial Vasculitis Urticarial vasculitis is an eruption of erythematous wheals that clinically resemble urticaria but histologically show changes of leukocytoclastic vasculitis.1,2 Urticarial vasculitis may be divided into normocomplementemic and hypocomplementemic variants. Both subsets can be associated with systemic symptoms (eg, angioedema, arthralgias, abdominal […]
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Urticaria Pigmentosa = الشرى الصباغي Sierra Exif JPEG Sierra Exif JPEG
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Tanning = الدباغة او الاصطباغ Tanning Melanin composition is a variable mixture of lighter alkali soluble, sulphur containing pheomelanin and darker insoluble eumelanin; skin types that tan well have more eumelanin. Exposure to UVA induces a rapid but transitory grayish color known as immediate pigment darkening (IPD) which probably results from the photo-oxidation of existing […]
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