نتایج جستجو برای: o phenylenediamine
تعداد نتایج: 555236 فیلتر نتایج به سال:
BACKGROUND Allergic contact dermatitis caused by p-phenylenediamine (PPD) is common among all age groups and both sexes. Monitoring of prevalence and intensity of sensitization is important. OBJECTIVE To evaluate contact allergy to PPD in Europe, and to compare reaction intensities in different European regions. METHODS Data collected by the European Surveillance System on Contact Allergies...
BACKGROUND Hair dye exposure is the most common cause of sensitization to p-phenylenediamine (PPD). Cross-reactions with structurally related allergens occur. OBJECTIVES It is suggested that a stronger patch test reaction (3+ rather than 1+) to PPD (usually tested as 1% petrolatum) is associated with an increased propensity for cross-reactions. In this article we will demonstrate this associa...
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