Patch Testing with a Textile Dye Mix in Two Concentrations – A Multicentre Study by the Swedish Contact Dermatitis Research Group
DOI:
https://doi.org/10.2340/00015555-1956Keywords:
allergic contact dermatitis, baseline series, clinical relevance, disperse dyes, p-phenylenediamine, simultaneous reactivity, textile dye mix.Abstract
Disperse dyes, which are used for colouring synthetic textile fibres, are well-known contact sensitisers. To investigate the outcome of patch-testing with a textile dye mix (TDM) at 7 dermatology clinics in Sweden, a TDM tested at 2 concentrations was included into the baseline series during one year. The mix consisted of Disperse (D) Blue 35, D Yellow 3, D Orange 1 and 3, D Red 1 and 17, all 1.0%, and D Blue 106 and D Blue 124, each 0.3% in the mix 6.6% and 1.0% each in the mix 8.0%. In 2,122 tested patients, contact allergy to the TDM at the concentration 8.0% was found in 2.8% and to the TDM at 6.6% in 2.5% of the patients. The contact allergy to the TDM could explain or contribute to the dermatitis in about 35% of the patients. Conclusion: contact allergy to the TDM is common and inclusion into the Swedish baseline series should be considered.Downloads
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Copyright (c) 2014 Kristina Ryberg, Johanna Bråred-Christensson, Malin Engfeldt, Marléne Isaksson, Magnus Lindberg, Mihaly Matura, Berndt Stenberg, Cecilia Svedman, Magnus Bruze
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