Anthrax= الجمرة الخبيثة ANTHRAX Etiology and Epidemiology Anthrax is a zoonotic infectious disease caused by Bacillus anthracis, a large aerobic, spore-forming Gram-positive rod. Anthrax occurs naturally in ruminant mammals, such as sheep, cattle, and goats. Human disease is seen most often in agrarian, livestock-dependent regions. Consequently, human anthrax usually follows agricultural or industrial […]
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Aphthae= القلاع Nom du fichier :DSCN1423.JPG Taille du fichier :156.9 Ko (160673 octets) Date de la prise de vue :2002/02/07 13:08:57 Taille de la photo :1024 x 768 Résolution :72 x 72 ppp Nombre de bits :8 bits/canal Attribut de protection :Désactivé Attribut Masqué :Désactivé ID de l’appareil :N/A Nom du Modèle :E995 Mode de […]
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Aplasia Cutis Congenita Circumscripta= عدم تصنع الجلد الخلقي المتحدد Aplasia cutis congenita (ACC) is part of a heterogenous group of disorders first reported by Cordon in 1767 and is characterized by the absence of a portion of skin in a localized or widespread area at birth. It most commonly (70%) manifests as a solitary defect on […]
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Apocrine hidrocystoma=الكيسوم العرقي المفترز Apocrine hidrocystomas are benign cystic proliferations of the apocrine secretory glands. Apocrine hidrocystomas most commonly appear as solitary, soft, dome-shaped, translucent papules or nodules and most frequently are located on the eyelids, especially the inner canthus. Apocrine hidrocystomas grow slowly and usually persist indefinitely. Pathophysiology The exact stimulus […]
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Aponeurotic Fibroma= الليفوم الصفاقي A calcifying, recurrent but infiltrating nonmetastasizing fibromatosis appearing as small nodules that are unattached to the overlying skin and seen most frequently on the palms of children.——- aponeurotic fibroma,a recurrent benign tumor seen mainly in persons under 20 years of age, most often on the hand, occurring as a firm, […]
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Aquagenic wrinkling= التغضنات الجلدية بسبب الماء Aquagenic wrinkling Aquagenic wrinkling of the palms (AWP) is a rare condition characterized by the rapid and transient formation of edematous whitish plaques on the palms on exposure to water (the so-called hand-in-the-bucket sign). The changes may be asymptomatic or accompanied by pruritic or burning sensations. First described in […]
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Arsenical keratoses= التقران الزرنيخي ARSENICAL KERATOSES Arsenical keratoses (ArKs) are precancerous lesions found in association with chronic arsenicism. These lesions have the potential to develop into invasive SCC. Arsenic is a ubiquitous element that has no color, taste, or odor. It has the potential to cause characteristic acute and chronic syndromes in persons exposed to it, […]
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Artefacts= افة جلدية مفتعلة Artefacts Dermatitis artefacta means that somebody has injured their own skin, by any method. They may injure their skin by: scratching it, with their fingernails or a knife or other sharp instrument. burning it with fire such as cigarettes, matches, or candles. burning it with caustic chemicals, such as bleach. They […]
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Arterial ulcer=قرحة شريانية المنشأ Ulceration due to vascular causes is often multifactorial and can be caused by both arterial and venous disease. Hypertension and atherosclerosis of the peripheral vessels lead to arterial disease associated with ischemic ulcers. Chronic venous insufficiency and the resulting venous hypertension cause venous ulcers. Vasculitis such as Buerger disease (thromboangiitis obliterans) […]
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Arteriovenous malformation =تشوه شرياني وريدي Arteriovenous malformations (AVMs) are defects of the circulatory system that are generally believed to arise during embryonic or fetal development or soon after birth. They are comprised of snarled tangles of arteries and veins. Arteries carry oxygen-rich blood away from the heart to the body’s cells; veins return oxygen-depleted blood […]
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