There are four factors that determine the depth of a burn: temperature of the contacting agent, duration of contact, thickness of skin and local blood supply. The threshold for a burn injury is around 43.5 degree C (110 degree F). Water at 66 degree C (150 degree F) will cause a full-thickness burn…
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There are four factors that determine the depth of a burn: temperature of the contacting agent, duration of contact, thickness of skin and local blood supply. The threshold for a burn injury is around 43.5 degree C (110 degree F). Water at 66 degree C (150 degree F) will cause a full-thickness burn…
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Typical clinical signs of hand eczema are redness, infiltration of the skin, scaling, edema, vesicles, areas of hyperkeratosis, cracks (fissures), and erosions [1]. It is a prevalence of 4% among adults in the general population [2]. The work-related cases are ususally more severe than cases in the…
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Leukoplakia is a condition in which thickened, white patches form on the tongue, gums, inside of the cheek, or sometimes on the outer female genitals. Although the sores can vary in appearance, they are usually white or gray; thick; and slightly raised with a hard surface. Most patches are benign,…
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White halo develops around a nevus is called a Halo nevus also known as Leukoderma acquisitum centrifugum, Sutton’s nevus, Perinevoid vitiligo. The overall incidence of halo nevi in individuals under age 20 is probably <1%. Halo nevus are found most commonly in teenagers under the age of 20 years….
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Vitiligo is an acquired disorder characterized by circumscribed depigmented macules and patches that result from the loss of functional melanocytes. Although patients with vitiligo may attribute the onset of their disease to specific life events (e.g. physical injury, sunburn, emotional distress,…
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Vitiligo is a disease in which skin and hair lose their melanocytes resulting in depigmented patches on the skin, varying in size and shape. Vitiligo can usually be easily seen by the naked eye in dark skinned people. It may however be very difficult to appreciate in fair skinned people because the…
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Geographic tongue affects approximately 2% of the general population, it is a benign condition associated with local inflammation and the absence of differentiation of the filiform papillae. In a study of patients with psoriasis, geographic tongue occurred in 10% of the patients, in contrast to only…
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A 20-year-old previously healthy man presented with progressive rash, low-grade fever and arthralgia that involved the knees and ankles that had lasted for 2 months despite treatment with oral prednisolone and naproxen, arthralgia is under control, but rashes developed more. Physical examination showed…
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A 10-year-old female presents in this clinic with crusted itchy skin with 5 years of eczematous duration (Fig.1A and Fig.2A). Asthma was diagnosed when she was 3 years old (7 years before), Ventolin (salbutamol, a short-acting beta-2 agonist) and inhaled glucocorticoids were administered, wheezing…
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