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Correct interpretation of patch test reactions is of paramount importance for differentiating allergic from irritant contact dermatitis (ICD). Differentiating weak positive and/or doubtful allergic patch test reactions from irritant reactions… Click to show full abstract
Correct interpretation of patch test reactions is of paramount importance for differentiating allergic from irritant contact dermatitis (ICD). Differentiating weak positive and/or doubtful allergic patch test reactions from irritant reactions can be difficult. The aim of the present study was to describe the main dermoscopic features of patch test reactions and to assess the suitability of dermoscopy in differentiating allergic from irritant reactions in clinical setting. In this observational, cross-sectional study, all consecutive adult outpatients patch tested at our Allergy Unit during a 6-month period for suspected allergic contact dermatitis who developed any reaction at patch testing were eligible for inclusion. This article is protected by copyright. All rights reserved.
Journal Title: British Journal of Dermatology
Year Published: 2019
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