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Allergic contact dermatitis caused by N , N ‐diethyl‐ p ‐phenylenediamine used in water quality analysis
Author(s) -
Morita Yusuke,
Suzuki Kayoko,
Yagami Akiko,
Isami Mamiko,
Sano Akiyo,
Yokoyama Yusuke,
Matsunaga Kayoko
Publication year - 2013
Publication title -
contact dermatitis
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.524
H-Index - 96
eISSN - 1600-0536
pISSN - 0105-1873
DOI - 10.1111/cod.12063
Subject(s) - fujita scale , medicine , dermatology , morita therapy , atopic dermatitis , psychology , physics , meteorology , psychoanalysis
A 28-year-old woman with mild atopic dermatitis started work as an analyst of water quality 2 years previously, where she came into direct contact with chemicals, including DPD, without using gloves. Before starting this job, she had a 1-year history of hand dermatitis with erythema. After she started the new job, the hand dermatitis worsened; there was an itchy erythematous rash with small blisters, and erythema appeared on her arms, legs, and neck. She had never dyed her hair. We performed patch testing with the Japanese baseline series and chemicals used at her workplace, using Finn Chambers® (SmartPractice, Phoenix, AZ, USA) mounted on Scanpor® tape (Norgesplaster AS, Vennesla, Norway). The tests were applied to the upper part of her back for 2 days, and read on D2, D3, and D7, according to International Contact Dermatitis Research Group criteria. The patient showed a positive reaction to DPD at the following concentrations: 1% aqua (D3, +; D7, +); 0.1%