Dermatofibrosarcoma protuberans =الغرن الليفي الجلدي الناشز الحدبي

Dermatofibrosarcoma protuberans =الغرن الليفي الجلدي الناشز الحدبي DERMATOFIBROSARCOMA    PROTUBERANS   Epidemiology   Dermatofibrosarcoma protuberans (DFSP) is a rare, locally aggressive dermal and subcutaneous mesenchymal neoplasm that typically occurs during the third and fourth decades of life, although it has been reported in patients from infancy to the ninth decade. DFSP accounts for less than 0.1 percent of all […]

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Dermatofibroma = الليفوم الجلدي

Dermatofibroma = الليفوم الجلدي Dermatofibroma   Dermatofibroma is a common cutaneous nodule of unknown etiology that occurs more often in women. Dermatofibroma frequently develops on the extremities (mostly the lower legs) and is usually asymptomatic, although pruritus and tenderness are not uncommon. The latter feature is seen in a sufficient number of patients to make […]

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Dermatophytie = سعفة فطرية

Dermatophytie = سعفة فطرية dermatophytes The dermatophytes are a group of fungi (ringworm) that invade the dead keratin of skin, hair, and nails. Several species of dermatophytes infect humans; these can be divided into superficial and deep forms. This article focuses on superficial fungal infections that mainly belong to the Epidermophyton, Microsporum, and Trichophyton genera. These are more common and more […]

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Dermographic urticaria= الكتوبية الجلدية =الجلد القرطاسي

Dermographic urticaria= الكتوبية الجلدية =الجلد القرطاسي Dermographic urticaria   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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Dermoid cyst = الكيسة الجلدانية

Dermoid cyst = الكيسة الجلدانية Dermoid Cyst   Dermoid cysts are epithelial-lined cysts containing various appendageal structures resulting from retained epithelium along embryonic fusion planes. These cysts are either congenital or develop in childhood. The prevalence is equal in men and women.   CLINICAL FEATURES   Dermoid cysts are smooth, occur in the midline, and commonly possess a deep sinus […]

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Desquamation = التوسف

Desquamation = التوسف Desquamation Desquamation is the loss of the upper layers of tissue, most classically the skin, although structures inside the body also lose cells in their upper layers as new cells develop underneath. This is a natural process, used by the body to provide a mechanism for shedding old cells as new cells develop. […]

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Diabetic foot = القدم السكرية

Diabetic foot = القدم السكرية Diabetic foot       Foot infections are the most common problems in persons with diabetes. These individuals are predisposed to foot infections because of a compromised vascular supply secondary to diabetes. Local trauma and/or pressure (often in association with lack of sensation because of neuropathy), in addition to microvascular […]

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