title: [Patch tests: indications or when testing should be performed].
abstract: Patch testing may be desirable or even essential for cases of suspected allergic contact dermatitis. Such testing allows identification with absolute certainty of the causative agent in "supposed" allergic contact dermatitis.
authors.affiliation: Service de dermatologie, université Catholique-de-Louvain, 30, Clos-Chapelle-aux-Champs, UCL 3033, 1200 Bruxelles, Belgique. dominique.tennstedt@uclouvain.be
authors.forename: D
authors.initials: D
authors.lastname: Tennstedt
mesh_terms: D017449:Dermatitis, Allergic Contact / Q000145:classification / Q000175:diagnosis* / Q000209:etiology; D006801:Humans; D010328:Patch Tests