Contact eczema of hands caused by contact with potato protein
Journal Title: Annals of Agricultural and Environmental Medicine - Year 2016, Vol 23, Issue 2
Abstract
[b]Introduction. [/b]Protein contact dermatitis (PCD) is an IgE-dependent allergic reaction which, despite enormous progress in knowledge, remains a ‘non-diagnosed’ nosologic unit in contemporary medicine. Skin lesion, with a chronic and recurring course, are analogous with the clinical picture in allergic contact dermatitis (ACD) and irritant contact dermatitis (ICD); skin patch tests, however, are usually negative. This makes the diagnostics difficult, prevents a correct diagnosis and treatment based on the avoidance of allergen. [b]Case description.[/b] A 48-year-old woman presented with erythemato-squamous skin lesions, accompanied by a strong itching, occurring on hands for about 6 months. The patient attributed the occurrence of skin lesions to household chores, above all – cooking and contact with food. The contact allergy was not confirmed. Positive results of the prick-by-prick test were observed for potato. Based on the above results, contact eczema induced by potato protein was diagnosed. Allergen elimination and use of emolients were prescribed. A complete remission of skin lesions was obtained. [b]Discussion.[/b] PCD is rarely diagnosed, which is why there is no substantial epidemiologic data. It is estimated that about 50% of cases are related to atopy. This occurs more often in patients with a damaged dermal-epidermal barrier. Most often, the same products eaten by subjects do not produce any effects. A correct assessment of the substance provoking the occurrence of skin lesions is very important, as most often the products concerned are those commonly used in the household. A detailed PCD diagnostics is very important for obtaining the optimal treatment results.
Authors and Affiliations
Aleksander Obtułowicz, Magdalena Pirowska, Anna Wojas-Pelc
Keywords
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- EP ID EP79371
- DOI 10.5604/12321966.1203909
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