title: Cross-sensitization between poppy seed and buckwheat in a food-allergic patient with poppy seed anaphylaxis.
abstract: The opium poppy, Papaver somniferum L., is the source of both poppy seeds and opium. The commercially available seeds are widely used as ingredients for various kinds of food. IgE-mediated sensitization to poppy seeds is rare, but, if present, clinical symptoms are usually severe. Cross-sensitizations between poppy seeds and other food allergens have been described with sesame, hazelnut, rye grain and kiwi fruit. We report the case of a 17-year-old female with an apparently food-allergic reaction after ingestion of a poppy seed cake. Allergological workup revealed a poppy seed anaphylaxis and led to the identification of a novel cross-sensitization with buckwheat.
authors.affiliation: Department of Dermatology and Allergology, Ludwig Maximilian University, Munich, Germany. tilmann.oppel@med.uni-muenchen.de
authors.forename: Tilmann
authors.initials: T
authors.lastname: Oppel
authors.forename: Peter
authors.initials: P
authors.lastname: Thomas
authors.forename: Andreas
authors.initials: A
authors.lastname: Wollenberg
mesh_terms: D000293:Adolescent; D000707:Anaphylaxis / Q000209:etiology* / Q000276:immunology; D019612:Fagopyrum / Q000009:adverse effects* / Q000276:immunology; D005260:Female; D005512:Food Hypersensitivity / Q000209:etiology* / Q000276:immunology; D006801:Humans; D015151:Immunoblotting; D010207:Papaver / Q000009:adverse effects* / Q000276:immunology; D012639:Seeds / Q000009:adverse effects / Q000276:immunology