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Journal of the American Academy of Dermatology
Volume 74, n° 6
pages 1029-1040 (juin 2016)
Doi : 10.1016/j.jaad.2015.02.1139
accepted : 8 February 2015
Continuing Medical Education

Allergic contact dermatitis : Patient diagnosis and evaluation

Christen M. Mowad, MD a, , Bryan Anderson, MD b, Pamela Scheinman, MD c, Suwimon Pootongkam, MD d, e, Susan Nedorost, MD d, Bruce Brod, MD f
a Department of Dermatology, Geisinger Medical Center, Danville, Pennsylvania 
b Department of Dermatology, Penn State Milton S. Hershey Medical Center, Hershey, Pennsylvania 
c Department of Dermatology, Brigham and Women's Hospital, Boston, Massachusetts 
d Department of Dermatology, University Hospitals Case Medical Center, Cleveland, Ohio 
e Department of Dermatology, Chulalongkorn University, Bangkok, Thailand 
f Department of Dermatology, University of Pennsylvania, Philadelphia, Pennsylvania 

Correspondence to: Christen M. Mowad, MD, Department of Dermatology, Geisinger Medical Center, 100 N Academy Ave, Danville, PA 17821.

Allergic contact dermatitis resulting from exposure to a chemical or chemicals is a common diagnosis in the dermatologist's office. We are exposed to hundreds of potential allergens daily. Patch testing is the criterion standard for diagnosing the causative allergens responsible for allergic contact dermatitis. Patch testing beyond standard trays is often needed to fully diagnose patients, but not all dermatology practices have access to this testing procedure or these allergens. In order to adequately evaluate patients, physicians must understand the pathophysiology of the disease process and be well versed in the proper evaluation of patients, indications for patch testing, proper testing procedure, and other diagnostic tools available and be aware of new and emerging allergens.

The full text of this article is available in PDF format.

Key words : allergens, allergic contact dermatitis, atophy patch test, delayed-type hypersensitivity, dermatitis, patch testing

Abbreviations used : ACD, AD, APT, LTT, MCI, MI, NACDG, ROAT, SCD, T.R.U.E.

 Funding sources: None.
 Conflicts of interest: None declared.
 Date of release: June 2016
 Expiration date: June 2019

© 2015  American Academy of Dermatology, Inc.@@#104156@@