Chilblain-lupus= الذأب الشرثي Chilblain-lupus Pernio is an inflammatory skin condition presenting after exposure to cold as pruritic and/or painful erythematous-to-violaceous acral lesions. Pernio may be idiopathic or secondary to an underlying disease. History Most patients with pernio present with a history of recurrent painful and/or pruritic, erythematous, violaceous papules or nodules on […]
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Chloasma= الكلف Chloasma A patchy brown or dark brown skin discoloration that usually occurs on face and may result from hormonal changes, as in pregnancy and during the administration of estrogen containing oral contraceptives. It is generallly found on sun-exposed areas of the face. Melasma often fades over several months after stopping oral contraceptives […]
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Chlor acne =العد الكلوري Occupational Acne and Chloracne Several different groups of industrial compounds encountered in the workplace may cause acne. These include coal tar derivatives, insoluble cutting oils, and chlorinated hydrocarbons (chlornaphthalenes, chlordiphenyls, and chlordiphenyloxides). Chloracne is the term that is used to describe occupational acne caused from chlorinated hydrocarbons. Occupational acne […]
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Cholesterol emboli =الصمامة الكوليستيرولية Cholesterol embolism Cholesterol embolism (CE), also known as atheroembolism, is a condition that is often unrecognized in medicine. It is defined by the occlusion of small- and medium-caliber arteries (100-200 μ m in diameter) by cholesterol crystals (see the image below). Although it was first reported by Panum nearly 150 years […]
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Cholinergic urticaria = الشرى الكولينيرجي CHOLINERGIC URTICARIA Cholinergic urticaria develops after an increase in core body temperature, such as during a warm bath, prolonged exercise, or episodes of fever.105 The highest prevalence is observed in individuals aged 23 to 28 years. The eruption appears as distinctive, pruritic, small, 1- to 2-mm wheals that are surrounded by areas […]
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Chondrodermatitis nodularis helicis=التهاب الجلد والغضروف العقيدي في الاذن- ▪ CHONDRODERMATITIS NODULARIS HELICIS Clavus helicis CNH is a chronic, solitary, tender, ulcerated nodule on the helix of the ear, first described in 1915. Etiology and Pathogenesis Many etiologic factors have been suggested for CNH. It is thought to be a disease of degenerated collagen that undergoes […]
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Chromate dermatitis= التهاب الجلد بالتماس مع الكروم Chromate dermatitis To elucidate Further the natural history and prognosis of occupational chromate dermatitis, 120 affected patients, diagnosed between 1980 and 1989, were reviewed. The incidence of chromate dermatitis in Western Australia appeared to remain unchanged over the decade, 65% of patients were construction workers with cement-induced […]
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Chromoblastomycosis=الفطار البرعمي الصبغي OLYMPUS DIGITAL CAMERA Chromoblastomycosis (Chromomycosis) Chromoblastomycosis is a chronic fungal infection of the skin and subcutaneous tissues caused by pigmented or dematiaceous fungi that are implanted into the dermis from the environment. In the ensuing inflammation, they form thick-walled single cells or cell clusters (sclerotic or muriform bodies), and these […]
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Chromhidrosis= التعرق الملون APOCRINE CHROMHIDROSIS Apocrine chromhidrosis is a rare condition characterized by the secretion of colored sweat. Two variants of apocrine chromhidrosis are recognized: axillary and facial. Involvement of the mammary areola has also been described. Yonge first recognized facial chromhidrosis in 1709. Shelley and Hurley described this entity in 1954 and associated it […]
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Chromomycosis=الفطارالمصطبغ Chromomycosis Chromomycosis is a chronic fungal infection quite prevalent in tropical countries. In such areas, it has a chronic evolutional course that may cause several problems. In our country, this disorder is quite rare. Herein we report the second case of Tunisian chromoblastomycosis. A-28-year-old man from north Tunisia (Bizerte) presented to our dermatology department […]
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