A case of Oral Allergy syndrome or Pollen-Food Allergy Syndrome is briefly discussed. The clinical characteristics, diagnosis, pathogenesis, and management of this syndrome are discussed followed by clinical pearls and pitfalls for the practicing allergist. Symptoms generally occur with the ingestion of raw fruits/vegetables and nuts; cooked foods are not a problem. Symptoms are caused by a hea...

oral allergy syndrome (oas) is occasionally observed following consumption  of raw fruits  in  allergic adults. since this  phenomenon  was  commonly  reported  in  khorasan province of iran; we intended to check if common  diagnostic tests could be applied for differential diagnosis of oas to grapes. ige reactivity of 84 patients with oas to grape and 34 patients with oas to other fruits were ...

Oral allergy syndrome (OAS) is defined as the symptoms of IgE-mediated immediate allergy localized in the oral mucosa, and the characteristics depend on the lability of the antigen. Another term used for this syndrome is pollen-food allergy (PFS); the patient is sensitized with pollen via the airways and exhibits an allergic reaction to food antigen with a structural similarity to the pollen (c...

BACKGROUND Component-resolved diagnosis and microarray technology have been recently introduced into clinical allergy practice, and may be particularly useful in poly-sensitized allergic patients. METHODS We compare the clinical usefulness of a microarray-based IgE detection assay (ISAC(®)) with skin tests and specific IgE with standard allergens (sIgE) or their monocomponents in four case re...

Yam (Dioscorea opposita) is commonly consumed in East Asia, but allergic reaction to this plant food is rare. To date, there is no report of anaphylactic reaction after ingestion of cooked yam. We described 3 cases with anaphylaxis after eating boiled yam and 1 present with oral allergy syndrome as well. Basophil activation test in patients showed positive reactivity to boiled yam extract. In i...