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Multicentre patch testing with a resol resin based on phenol and formaldehyde
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2011 (English)In: Contact Dermatitis, ISSN 0105-1873, E-ISSN 1600-0536, Vol. 65, no 1, 34-37 p.Article in journal (Refereed) Published
Abstract [en]

Background. Contact allergy to phenol-formaldehyde resins (PFRs) based on phenol and formaldehyde is not detected by a p-tertiary-butylphenol-formaldehyde resin (PTBP-FR) included in most baseline patch test series.

Objectives. To investigate the rate of contact allergy to PFR-2 (a mixture of monomers and dimers from a resol resin based on phenol and formaldehyde) in a Swedish population, and to investigate associated simultaneous allergic reactions.

Methods. Five centres representing the Swedish Contact Dermatitis Research Group included PFR-2 in their patch test baseline series for a period of 1.5 years.

Results. Of 2504 patients tested, 27 (1.1%) reacted to PFR-2. Of those 27 individuals, 2 had a positive reaction to formaldehyde and 2 to PTBP-FR. Simultaneous allergic reactions were noted to colophonium in 6, to Myroxylon pereirae in 14, and to fragrance mix I in 15.

Conclusions. The contact allergy frequency in the tested population (1.1%) merits its inclusion in the Swedish baseline series and possibly also in other baseline series. Simultaneous allergic reactions were noted to colophonium, M. pereirae, and fragrance mix I.

Place, publisher, year, edition, pages
Wiley , 2011. Vol. 65, no 1, 34-37 p.
Keyword [en]
baseline series, formaldehyde, phenol-formaldehyde resins, p-tertiary- butylphenol-formaldehyde resin, simultaneous contact allergy
National Category
Dermatology and Venereal Diseases
URN: urn:nbn:se:umu:diva-45692DOI: 10.1111/j.1600-0536.2011.01921.xPubMedID: 21595700OAI: diva2:433906
Available from: 2011-08-11 Created: 2011-08-11 Last updated: 2012-07-05Bibliographically approved

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