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BACKGROUND The North American Contact Dermatitis Group (NACDG) tests patients who have suspected allergic contact dermatitis with a broad series of screening allergens, and publishes periodic reports of its data. OBJECTIVE To report the NACDG patch-test results from January 1, 2005, to December 31, 2006, and to compare results to pooled test data from the(More)
Occupational contact dermatitis to individual wood species from foreign countries, such as Asia, Africa, Central America, and South America, has been described. This report concerns the case of a domestic woodworker who developed allergic contact dermatitis shortly after beginning to work with multiple exotic woods. Patch testing with domestic and exotic(More)
BACKGROUND Allergic contact dermatitis is common in children. Epicutaneous patch testing is an important tool for identifying responsible allergens. OBJECTIVE The objective of this study was to provide the patch test results from children (aged ≤18 years) examined by the North American Contact Dermatitis Group from 2005 to 2012. METHODS This is a(More)
Sesquiterpene lactones are a large, diverse group of chemicals found in several plant families that cause allergic contact dermatitis. The biological, botanical, allergenic, and structural significance of sesquiterpene lactones is explored as well as the clinical characteristics of cutaneous reactions. The association with UV-light sensitivity and proposed(More)
BACKGROUND AND DESIGN Patient preferences for health outcomes can be explicitly assessed and expressed in quantitative terms known as utilities. Three standard methods for utility assessment have been used to quantify patient preferences, but these methods have not previously been applied to skin disease. Eighty-seven patients with psoriasis from a tertiary(More)
OBJECTIVES To determine the frequency of positive and relevant patch tests in children referred for patch testing in North America; to compare results of patch testing children and adults; and to compare our results with international data on contact allergy in children. DESIGN Retrospective cross-sectional analyses of North American Contact Dermatitis(More)
BACKGROUND Patch testing is an important diagnostic tool for assessment of allergic contact dermatitis (ACD). OBJECTIVE This study documents the North American Contact Dermatitis Group (NACDG) patch-testing results from January 1, 2011, to December 31, 2012. METHODS At 12 centers in North America, patients were tested in a standardized manner with a(More)
BACKGROUND Relatively little is known about the epidemiology of allergic contact dermatitis in older individuals. OBJECTIVES We sought to determine the frequency of positive and clinically relevant patch test reactions in older individuals (≥ 65 years old) referred for patch testing, and to compare these results with those of adults (≤ 64-19 years) and(More)
BACKGROUND The North American Contact Dermatitis Group (NACDG) tests patients with suspected allergic contact dermatitis to a broad series of screening allergens and publishes periodic reports. OBJECTIVE The aims of this study were to report the NACDG patch-testing results from January 1, 2007, to December 31, 2008, and to compare results to pooled test(More)