Patch test

Allergic contact dermatitis

Contact dermatitis

Allergen

Patch testing

Architectural engineering

Immunology

Allergy

Engineering

Thiomersal

Dermatology

Cobalt

Medicine

Benzalkonium chloride

Organic chemistry

Potassium dichromate

European standard

Chemistry

Pathology

Cobalt chloride

Dermatitis

Patch testing to a standard (baseline) series of allergens is the screening tool used to identify culprit allergens in patients with contact dermatitis. The allergens and concentrations used in a standard series are constantly evolving to be most relevant to the patients being patch tested.The aim of this study was to analyze the 2011-2015 patch test results of the Mayo Clinic standard series.We retrospectively reviewed patch test reactions of standard series allergens from 2011 through 2015 and compared these results with the 2011-2012 and 2013-2014 North American Contact Dermatitis Group (NACDG) reports.Of 2582 patients included, 1566 (60.7%) had at least 1 positive reaction, and 516 (20.0%) had at least 1 irritant reaction. The 15 allergens with the highest reaction rates (from highest to lowest) were nickel sulfate hexahydrate, methylisothiazolinone, Myroxylon pereirae resin, neomycin sulfate, cobalt (II) chloride hexahydrate, benzalkonium chloride, fragrance mix I, potassium dichromate, bacitracin, methy...

Trends in Patch Testing With the Mayo Clinic Standard Series, 2011–2015