[Interpretation and relevance of patch testing: false-positive and false-negative test reactions, compound allergy, cross-sensitivity].
Ann Dermatol Venereol 2009;
136:610-6. [PMID:
19686897 DOI:
10.1016/j.annder.2009.06.006]
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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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