Der Hautarzt; Zeitschrift für Dermatologie, Venerologie, und verwandte Gebiete
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An erythrodermic skin disease occurring in a patient with an already existing erythroderma of different cause is a rare phenomenon. A 13 year old girl with congenital lamellar ichthyosis suffered from both erythroderma and generalized scaling. Probably at the age of 11, a clinically not recognized psoriatic erythroderma appeared associated with a pustular palmoplantar psoriasis of the Barber-Königsbeck type as well as a psoriatic osteoarthropathy. The identification off such overlapping disorders is of great importance for proper therapy.
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Case Reports Comparative Study
[Contact allergy caused by poison ivy (Toxicodendron spp].
Within 3 days two female patients presented with an eruption featuring erythema, edema, vesicles and bullae. We suspected poison ivy allergy which was subsequently proven by history and positive patch tests. In Germany the risk of specific hypersensitivity to Toxicodendron species is low, since the distribution of such plants is confined to botanical gardens. Other species belonging to the family of Anacardiaceae contain urushiols as well (e.g., mango, cashew) and may cause allergic contact dermatitis.