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Value of photo asse...
Value of photo assessment in late patch-test readings—A multicenter study from six European patch-test clinics
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- Yüksel, Yasemin T. (author)
- Bispebjerg Hospital,University of Copenhagen
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- Sedeh, Farnam B. (author)
- Bispebjerg Hospital,University of Copenhagen
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- Brans, Richard (author)
- University of Osnabrück
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- Svedman, Cecilia (author)
- Lund University,Lunds universitet,Yrkes- och miljödermatologi,Forskargrupper vid Lunds universitet,Occupational and Environmental Dermatology,Lund University Research Groups,Skåne University Hospital
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- Paulsen, Evy (author)
- University of Southern Denmark,Odense University Hospital
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- Gimenéz-Arnau, Ana (author)
- Autonomous University of Barcelona,Hospital del Mar Medical Research Institute
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- Foti, Caterina (author)
- University of Bari Aldo Moro
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- Agner, Tove (author)
- Bispebjerg Hospital,University of Copenhagen
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(creator_code:org_t)
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- 2020-11-20
- 2021
- English.
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In: Contact Dermatitis. - : Wiley. - 0105-1873 .- 1600-0536. ; 84:5, s. 283-289
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Abstract
Subject headings
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- Background: It is recommended that patch-test readings include a day (D)7 reading. Substitution of the D7 reading with a photo may be a valid option. Objectives: To compare the sensitivity of digital photos at D7 to clinical readings, to assess the number of positive reactions appearing at D7 only (late reactions), and after D7 only (delayed reactions). Methods: Patients patch tested in six European clinics were instructed to forward photos of the patch test reactions to the respective clinics at D7 (before attending the clinic) and at D21. Only allergens in the baseline series or TRUE Test were included in the data analysis. Results: Two hundred ninety-three of 629 patients had a total of 599 positive reactions, with 6.3% occurring at D7 only. When substituting the D7 reading with a photo (90% submitted), 26.3% of late reactions were missed and nine false-positive reactions were found. Delayed reactions were detected in four patients at D21 (65.3% submitted). Conclusion: Our data show that if the D7 reading is not performed, 6.3% of positive reactions from the baseline series would be missed, and if substituting the D7 reading by digital photo, 26.3% late reactions would be missed. Delayed reactions seemed rare.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Dermatologi och venereologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Dermatology and Venereal Diseases (hsv//eng)
Keyword
- allergic contact dermatitis
- contact allergy
- contact dermatitis
- delayed reaction
- late reaction
- patch testing
- tele-dermatology
Publication and Content Type
- art (subject category)
- ref (subject category)
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