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 […]
Read More
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 […]
Read More
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. […]
Read More
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 […]
Read More
Diabetic dermopathy =اعتلال الجلد السكري Diabetic dermopathy Diabetic dermopathy , also known as shin spots, is considered the most common cutaneous finding in diabetes. According to one study, 40 percent of diabetic patients in an Israeli hospital had diabetic dermopathy, which was statistically significant in patients over the age of 50.Diabetic dermopathy appears as round […]
Read More
Diabetic gangrene = الموات السكري Diabetic gangrene Gangrene is a condition that involves the death and decay of tissue, usually in the extremities. There are three different types of gangrene: dry, wet or gas gangrene. Dry gangrene is the one that most often affects people with diabetes. Reduced blood flow or lack of circulation […]
Read More
Diaper candidiasis = التهاب الجلد الحفاظي بالمبيضات البيض Candidiasis Candida albicans is the most common cause of human candidal infections,1 but other pathogenic species include Candida glabrata, Candida parapsilosis, Candida tropicalis, Candida krusei, Candida lusitaniae, and Candida stellatoidea. Pathophysiology Infections caused by Candida may affect numerous organ systems, such as the eyes, lungs, kidneys, heart, and CNS. Skin The most common […]
Read More
Diaper dermatitis= التهاب الجلد الحفاظي Diaper dermatitis Diaper dermatitis is caused by overhydration of the skin, maceration, prolonged contact with urine and feces, retained diaper soaps, and topical preparations and is a prototypical example of irritant contact dermatitis. Signs and symptoms are restricted in most individuals to the area covered by diapers.1 The photograph […]
Read More
Difuse palmoplantar keratoderma = تقرن الجلد الراحي الاخمصي المنتشر Diffuse palmoplantar keratodermas Diffuse palmoplantar keratodermas belong to a diverse group of skin disorders affecting the palms and soles. These keratodermas manifest as a diffuse thickening of the palmoplantar skin, which can often be associated with other ectodermal disorders. Classification within this group has often […]
Read More
Digital mucous cyst= كيسة مخاطية على الاصبع Digital Mucous Cyst Digital mucous cysts (DMCs) are benign ganglion cysts of the digits, typically located at the distal interphalangeal (DIP) joints or in the proximal nail fold. They usually occur on the hands, although they have also been noted on the toes. The etiology of these cysts […]
Read More