Congenital absence of skin = غياب الجلد الخلقي Congenital absence of skin Congenital absence of skin is a rare condition which was first reported in 1826. Until 1960 only 213 cases hadbeen reported in the literature. It usually presents in the newborn as localized areas of skin deficiency, most commonly involving the scalp. The […]
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Congenital dyskeratosis =عسر التقرن الخلقي Congenital dyskeratosis Dyskeratosis congenita (DKC), also known as Zinsser-Engman-Cole syndrome, is a rare, progressive bone marrow failure syndrome characterized by the triad of reticulated skin hyperpigmentation, nail dystrophy, and oral leukoplakia. Evidence exists for telomerase dysfunction, ribosome deficiency, and protein synthesis dysfunction in this disorder. Early mortality is often […]
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Congenital erythropoietic porphyria = البورفيريا المكونةللكريات الحمر الولادية Congenital erythropoietic porphyria Erythropoietic porphyria (EP) is a rare inborn error of porphyrin-heme synthesis inherited that is as an autosomal recessive trait. The inheritance of 2 mutant alleles for the gene encoding the enzyme uroporphyrinogen III synthase leads to accumulation of porphyrins of the isomer I type […]
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Congenital ichthyosiform erythroderma =أحمرية الجلد السماكية الولادية CONGENITAL ICHTHYOSIFORM ERYTHRODERMA As with lamellar ichthyosis, CIE is apparent at birth, and the newborn usually presents with a taut, shiny, collodion membrane. After shedding of the membrane, the skin of infants with CIE remains red, usually with a fine, white, generalized scale . On the […]
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Congenital toenail malalignment= انزياح الظفر الخلقي Congenital toenail malalignment Congenital malalignment of the great toenails is the lateral deviation of the long axis of nail growth relative to the distal phalanx. The nails grow slowly, with thickening, curving, and transverse ridging. We describe a pair of 3-year-old monozygotic female twins with congenital malalignment of the great toenails complicated by ingrowing […]
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Congential nevus = الوحمة الولادية Congential nevus Congenital nevi are present at birth and result from a proliferation of benign melanocytes in the dermis, epidermis, or both. Occasionally, nevi that are not present at birth but are histologically identical to congenital nevi may develop during the first 2 years of life. This is referred to […]
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Connective tissue nevus = وحمة النسيج الضام Connective tissue nevus Connective tissue nevi are hamartomas in which one or several components of the dermis is altered. Lesions in which collagen predominates are called collagenomas; lesions in which elastin predominates are called elastomas. A nevus mucinosis is a lesion in which an alteration in the amount […]
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Contact dermatitis =التهاب الجلد بالتماس 5 cdr 050501 4 cdr 063001 3 cdr 050504 Figure 4-9 : Poison ivy. A classic presentation with vesicles and blisters. A line of vesicles (linear lesions) caused by dragging the resin over the surface of the skin with a scratching finger is a highly characteristic sign of plant contact […]
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Corn = قرن Corns and Calluses ▪ EPIDEMIOLOGY Every human being, with the exception of the non-weight-bearing infant, is vulnerable to the development of corns and calluses, because the skin is subjected to regular mechanical stress. The prevalence of corns and calluses can be readily appreciated by the number of nonprescription products aimed […]
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