Berloque dermatitis= التهاب الجلد –بيرلوك Berloque dermatitis Berloque dermatitis obtains its name from the German word berlock or the French berloque, meaning trinket or charm. Rosenthal1 coined the term in 1925 to describe pendantlike streaks of pigmentation on the neck, face, arms, or trunk. He suspected they were due to fluid droplets, unaware that Freund2 in 1916 had described hyperpigmented […]
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Birt–Hogg–Dube syndrome=متلازمة بيرت هوك دووب Birt–Hogg–Dube syndrome In 1977, Birt, Hogg, and Dubé reported small papular skin lesions distributed over the scalp, forehead, face, and neck in 15 of 70 members in a kindred study. Histologic examination of the lesions revealed fibrofolliculomas, trichodiscomas, and acrochordons. The presence of this triad has been termed […]
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Black dermatographism= الكتوبية الجلدية السوداء black dermatographism black dermatographism black or greenish streaking of the skin caused by deposit of fine metallic particles abraded from jewelry by various dusting powders.
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Black hairy tongue = اللسان المشعر الأسود HAIRY TONGUE (WHITE OR BLACK HAIRY TONGUE) Hairy tongue, hypertrophy of filiform papillae resembling hair-like projections, is associated with heavy tobacco use, mouth breathing, antibiotic therapy, poor oral hygiene, general debilitation, radiation therapy, use of oxidizing mouthwashes containing hydrogen peroxide, chronic use of bismuthcontaining antacids, and lack of […]
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Black heel=العقب الاسود Black Heel (Calcaneal Petechiae) Black heel (calcaneal petechiae) is a self-limited, asymptomatic, trauma-induced darkening of the posterior or posterolateral aspect of the heel that occurs primarily in young adult athletes. Black heel was first described in a group of basketball players in 1961.1 Although clinically insignificant, black heel is […]
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Black sweat =التعرق الاسود Chromhidrosis Chromhidrosis is a rare condition characterized by the secretion of colored sweat. Two glands produce sweat: eccrine and apocrine glands. Eccrine glands secrete a clear, odorless fluid that serves to regulate body temperature. Apocrine glands secrete a thick, milky sweat that, once broken down by bacteria, is the […]
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Blackdot tinea=النقط السود في السعفة Blackdot tinea Tinea capitis is a dermatophytic infection that is common in the pediatric population. During epidemics, it may affect 10% to 20% of susceptible children. Infection, which is less common in the postpubertal population, spreads easily from person to person. Fomites, such as combs, brushes, hats, pillows, blankets, […]
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Blaschko lines = خطوط بلاشكو Blaschko lines The pattern assumed by many different naevoid and acquired skin diseases on the human skin and mucosae. The cause of the pattern of Blaschko lines is unknown; they do not follow nerves, vessels, or lymphatics. In 1901, on the occasion of the 7th Congress of the German Dermatological […]
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Blastomycosis= الفطار البرعمي Blastomycosis Blastomycosis, which originally was described by Gilchrist and Stokes in 1894 and 1896, is an infection with a highly variable spectrum of clinical presentations. Disease can range from an asymptomatic, self-healing pulmonary infection to widely disseminated fatal disease. Blastomyces dermatitidis is a dimorphic fungus. The mycelial form grows as a […]
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