Abstract
Routine diagnostic methods for allergies to plant-derived foods are based on skin prick test (SPT) with commercial extracts, prick-by-prick (PbP) with fresh food, serum-specific IgE measurement, and oral food challenge.We discuss the possibility and the advantages of performing, in patients with oral allergy syndrome (OAS) by fruit and vegetables (excluding nuts) PR-10 allergy, component-resolved diagnosis (CRD) by SPT and PbP with raw and cooked vegetables, rather than performing a CRD with in vitro tests by drawing blood.Based on our clinical experience and the studies published in the literature, we believe that, at least for the OAS by fruit and vegetables (excluding nuts) PR-10 allergy, the search for sensitizing allergens and related cross-reactive allergens with SPT and PbP can be performed routinely in clinical practice, even at the primary-care level.
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