Insect venom allergy is the most frequent cause of anaphylaxis in Europe
and possibly worldwide. The majority of systemic allergic reactions
after insect stings are caused by Hymenoptera and among these, vespid
genera induce most of the systemic sting reactions (SSR). Honey bees are
the second leading cause of SSR. Depending on the global region, other
Hymenoptera such as different ant genera are responsible for SSR. Widely
distributed hornets and bumblebees or local vespid or bee genera rarely
induce SSR. Hematophagous insects such as mosquitoes and horse flies
usually cause (large) local reactions while SSR occasionally occur. This
position paper aims to identify either rare or locally important insects
causing SSR as well as rarely occurring SSR after stings or bites of
widely distributed insects. We summarized relevant venom or saliva
allergens and intended to identify possible cross-reactivities between
the insect allergens. Moreover, we aimed to locate diagnostic tests for
research and routine diagnosis, which are sometimes only regionally
available. Finally, we gathered information on disposable
immunotherapies. Major allergens of most insects were identified, and
cross-reactivity between insects was frequently observed. While some
diagnostics and immunotherapies are locally available, standardized skin
tests and immunotherapies are generally lacking in rare insect allergy.
Insect venom allergy is the most frequent cause of anaphylaxis in Europe and possibly worldwide. The majority of systemic allergic reactions after insect stings are caused by Hymenoptera, and among these, vespid genera induce most of the systemic sting reactions (SSR). Honey bees are the second leading cause of SSR. Depending on the global region, other Hymenoptera such as different ant genera are responsible for SSR. Widely distributed hornets and bumblebees or local vespid or bee genera rarely induce SSR.Hematophagous insects such as mosquitoes and horse flies usually cause (large) local reactions while SSR occasionally occur. This position paper aimed to identify either rare or locally important insects causing SSR as well as rarely occurring SSR after stings or bites of widely distributed insects. We summarized relevant venom or saliva allergens and
Background: Egg allergy is one of the most frequent food allergies in childhood while adult onset of egg allergy is a rare condition.Case presentation: We report the case of a 30 years old man sent to our center in order to investigate gastrointestinal symptoms occurring since two years after egg and derivatives intake. He did not suffer from egg or other food allergies in childhood. He is an active smoker with a contact dermatitis related to nickel and mild allergic rhinoconjunctivitis to grass pollen. Skin prick test and serum specific IgE to egg were performed and revealed sensitization to egg proteins. Conclusions: Even though IgE-mediated egg allergy affects children, this report witnesses a rare case of adult onset.
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