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Updated: Jun 20, 2026

Humanized Mediator Release Assay as a Read-Out for Allergen Potency
Published on: June 29, 2021
[Interpretation and relevance of patch testing: false-positive and false-negative test reactions, compound allergy,
1Cabinet de dermatologie, 19, rue de l'Observatoire, 67000 Strasbourg, France. christophe.lecoz@wanadoo.fr
Abstract:
This chapter reviews pitfalls and mistakes in patch testing. Most sources of false-positive and false-negative reactions are indicated and analysed. Cross-sensitivity among allergens is discussed and compound allergy is debated. Keys for establishing relevance are indicated, for a better reading and interpretation of patch testing by practitioners (trainees or experienced dermatologists).
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