Patch Testing -- The International Contact Dermatitis Research Group -- The Spectrum of Diseases for Which Patch Testing is Recommended -- Patch Testing Methodology -- The Standard Series of Patch Tests -- Photopatch Testing -- The TRUE Test System -- Additional Testing Procedures -- Clinical Relevance of Patch Test Reactions -- The Atopy Patch Test in Atopic Dermatitis -- Prick Testing -- The Spectrum of Diseases for Which Prick Testing and Open (Non-Prick) Testing are Recommended -- The Methodology of Open (Non-Prick) Testing, Prick Testing, and its Variants -- Testing in Cutaneous Systemic Adverse Drug Reactions: Interest and Limitations -- Testing Procedures in Cutaneous Systemic Adverse Drug Reactions.

Knowledge in the field of allergic contact dermatitis has developed to a considerable degree, which includes improved techniques of patch testing and prick testing, e.g. additional tests such as open, semi-open, repeated open application test (ROAT) and use tests, photopatch tests, atopy patch tests and provocative tests. Further, due to the ongoing changes in our environment, the series of patch tests—the so-called standards—are also regularly renewed. This new edition: <listitem> Is completely revised, updated and expanded Is reader-friendly, structured with core messages Includes an increased number of flowcharts and illustrations It is a globally useful and outstanding guide in the management of positive and negative patch test and prick test reactions, for all practicing dermatologists, from the beginner to the well-trained expert.