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  1. Occupational IgE-mediated asthma, rhinoconjunctivitis, and contact urticaria caused by Easter lily (Lilium longiflorum) and tulip.

    Article - En anglais

    Background 

    We report on IgE-mediated asthma, rhinoconjunctivitis, and contact urticaria to two Liliaceae plants, tulip and Easter lily (Lilium Iongiflorum), diagnosed in a floral shop worker.

    Methods 

    Occupational asthma was diagnosed according to patient history, PEF monitoring, and a work-simulating provocation test.

    Flower-specific IgE was studied, and RAST inhibition tests were performed.

    Results 

    Skin prick testing showed positive reactions to tulip, Easter lily, and chrysanthemum.

    Total IgE was 180 kU/l, and specific IgE to tulip was 2.6 and to Easter lily 6.5 kU/I. In the RAST-inhibition test, no cross-reactivity was found.

    Occupational asthma was diagnosed by peak flow monitoring at work and at home, as well as specific inhalation challenge with Easter lily, with an immediate 18% reduction in PEF.

    In addition, contact urticaria and conjunctivitis were diagnosed.

    After a 9-year follow-up without exposure to lilies, the skin prick tests to L. longiflorum and tulip were still positive, but the specific IgE had disappeared.

    Conclusions 

    A case of IgE-mediated occupational asthma, rhinoconjunctivitis, and contact urticaria caused by L. longiflorum and tulip is presented.

    RAST inhibition tests indicated concomitant sensitization to the two Liliaceae plants.

    Mots-clés Pascal : Asthme, Allergie, Rhinite, Conjonctivite, Association morbide, Etiologie, Dermatite contact, Allergène, Lilium longiflorum, Liliaceae, Monocotyledones, Angiospermae, Spermatophyta, Fleur, Bulbe, Exposition professionnelle, Réaction croisée, Etude cas, Femelle, Adulte, Homme, Appareil respiratoire pathologie, Bronchopneumopathie obstructive, Immunopathologie, Médecine travail, ORL pathologie, Nez pathologie, Oeil pathologie, Conjonctive pathologie, Peau pathologie, Lys, Tulipe

    Mots-clés Pascal anglais : Asthma, Allergy, Rhinitis, Conjunctivitis, Concomitant disease, Etiology, Contact dermatitis, Allergen, Lilium longiflorum, Liliaceae, Monocotyledones, Angiospermae, Spermatophyta, Flower, Bulb, Occupational exposure, Cross reaction, Case study, Female, Adult, Human, Respiratory disease, Obstructive pulmonary disease, Immunopathology, Occupational medicine, ENT disease, Nose disease, Eye disease, Conjunctiva disease, Skin disease

    Logo du centre Notice produite par :
    Inist-CNRS - Institut de l'Information Scientifique et Technique

    Cote : 99-0274429

    Code Inist : 002B06C05. Création : 16/11/1999.