Prurigo simplex is symmetrically distributed with small intensely itchy papules, which is in dome-shaped and topped with a small vesicle. The vesicle is usually present only transiently because of its immediate removal by scratching, so that a crusted papule is more frequently seen. Prurigo papules…
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Facial whitening masks/creams/gels are used commonly by Asian women who expects the aesthetic effect on their coloured skin. However, many natural products contain high concentrations of botanical extracts that are a leading cause of both irritant and allergic contact dermatitis and photosensitisation…
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The majority of patients with eczema will present with symptoms in childhood, it may starts at any age, even 2 months old. The itch comes with a chronic fluctuating rash with a range of features, eg., erythema, papulovsicles, excoriation and secondary infection. Itch may cause sleep disturbances,…
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手部湿疹的典型临床症状是红疹、皮肤浸润、细小囊泡、脱皮、糜烂、水肿，角化过度，皲裂(Fig.1A) [1]。在一般人群中，成年人的患病率为4％[2]。通常与职业关联的发生率是每年每千名工人0.7到1.5例，在某些职业（例如理发）中的发生率要高得多[3]。…
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Conventionally eczema patients will be given corticosteroids to shut down the inflammation, then use aggressive moisturiser to heal the skin barrier, then neuromodulatory drugs and sometimes together with antidepressants. The eczema start to get progressively worse despite having increased the potency…
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A 25-year-old woman presents with redness of the hands and reports the intermittent occurrence of tiny vesicles, and scaling, accompanied by itching on the palms, fingers, and dorsal sides of the hands. She has a history of childhood eczema and asthma. On physical examination, the patient was afebrile…
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A 60-year-old man presents with hyperkeratosis and cracking of the skin on the palms of his hands and the soles of his feet that had developed over a 3-year period with no specific cause. He had been treated by dermatologist using topical corticosteroids (Eloment, Daivobet) and oral antihistamines…
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Lupus Miliaris Disseminatus Faciei Firm, yellowish-brown, 1–3 mm, monomorphous, discrete, smooth-surfaced papules present on both the butterfly and the lateral areas. The discrete papules appear as yellowish brown lesions on diascopy and as caseating epithelioid cell granulomas histologically. This…
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In contrast to the microvasculature of normal skin, the psoriatic microvasculature is characterized by tortuous and leaky blood vessels that facilitate leukocyte migration into inflamed skin. The vascular endothelial growth factor (VEGF) and angiopoietins are some of the factors believed to be responsible…
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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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