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Pigmented contact dermatitis to p-paraphenylenediamine in a textile factory worker

机译:纺织工厂工人对对-对苯二胺的色素接触性皮炎

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Pigmented contact dermatitis (PCD) is a noneczematous variant of contact dermatitis, characterized clinically byhyperpigmentation with little or no signs of dermatitis. The commonly implicated agents causing PCD include cosmeticslike fragrances, lipsticks and kumkum, preservatives, optical whiteners, benzyl salicylate and metallic compounds likenickel sulphate and nickel oxide. We present a case of PCD in a 45-year old textile factory worker, who presented withgradually progressive asymptomatic hyperpigmentation of the face which started after he started working in a textilefactory. Patch test revealed sensitization to p-Paraphenylenediamine, thereby confirming the diagnosis of PCD top-Paraphenylenediamine.
机译:色素性接触性皮炎(PCD)是接触性皮炎的一种非湿性变体,临床上以色素沉着过多而很少或没有皮肤炎的迹象为特征。引起PCD的常见因素包括化妆品,如香水,口红和金桔,防腐剂,光学增白剂,水杨酸苄酯和金属化合物,如硫酸镍和氧化镍。我们在一个45岁的纺织工厂工作人员中呈现了PCD病例,该工人在其开始在纺织工厂工作后开始逐渐出现无症状的面部色素沉着。斑贴试验显示对对-Paraphenylenediamine致敏,从而确认诊断为PCD top-Paraphenylenediamine。

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