Delusions of parasitosis = وهم الاصابة بالطفيليات Delusions of parasitosis Delusions of parasitosis manifest in the patient’s firm belief that he or she has pruritus due to an infestation with insects. Patients may present with clothing lint, pieces of skin, or other debris contained in plastic wrap, on adhesive tape, or in matchboxes. They […]
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Demodicidiosis = داء الدويدات Demodicidosis Demodicidosis may present as pityriasis folliculitis, papulopustular lesions, rosacea-like eruptions, and granulomatous rosacea-like eruptions. The diagnosis of demodicidosis made by finding extrafollicular mites in the perifollicular inflammatory infiltrate. The papules resolved after 3 weeks of systemic and topical metronidazole, and low-dose oral prednisolone therapy. In summary, demodex granuloma may be […]
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Dermagraphism = الكتوبية الجلدية او الجلد القرطاسي dermographism The term dermographism literally means writing on the skin. Firm stroking of the skin produces an initial red line (capillary dilatation), followed by an axon-reflex flare with broadening erythema (arteriolar dilatation) and the formation of a linear wheal (transudation of fluid/edema) termed the triple response of […]
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Dermal melanocytosis =التملن الأدمي Dermal melanocytosis Mongolian spot refers to a macular blue-gray pigmentation usually on the sacral area of healthy infants. Mongolian spot is usually present at birth or appears within the first weeks of life. Mongolian spot typically disappears spontaneously within 4 years but can persist for life. Pathophysiology Mongolian spot […]
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Dermal naevu s= وحمة أدمية Dermal naevus The DERMAL NEVUS represents the most mature stage of a MELANOCYTIC NEVUS. Its MELANOCYTES have almost totally been replaced by NEVOCYTES, “neuroid” cells that have formed cells clusters within deeper layers of the skin. They are MOLES AT REST, and usually don’t change their aspects over time – […]
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Dermatitis – péri-orale = التهاب الجلد ما حول الفم Perioral Dermatitis Perioral dermatitis is characterized by small discrete papules and pustules in a periorificial distribution, predominantly around the mouth. Although initially described as an eruption in young women 15 to 25 years of age, perioral dermatitis is now recognized to occur occasionally in children […]
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Dermatitis artefacta =التهاب الجلد المفتعل أو الصنعي Dermatitis artefacta The skin and nervous system develop adjacent to each other as the ectoderm and neuroectoderm, respectively, in the embryo and remain interconnected throughout life. Dermatitis artefacta is defined as the deliberate and conscious production of self-inflicted skin lesions to satisfy an unconscious psychological or emotional […]
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Dermatitis herpetiformis (Duhring’s disease) =التهاب الجلد العقبولي الشكل = داء دورينغ Dermatitis Herpetiformis ▪ EPIDEMIOLOGY Dermatitis herpetiformis (DH) is characterized by an intensely itchy, chronic papulovesicular eruption that usually is distributed symmetrically on extensor surfaces. The disease can be clearly distinguished from the other sub-epidermal blistering eruptions by histologic, immunologic, and gastrointestinal criteria. The prevalence of DH in various […]
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Dermatitis papulosa faciei = التهاب الجلد الحطاطي على الوجه
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