Non-IgE-mediated food allergy? A case report

Results All SPTs yielded negative results. IgE was <0.35 KU/L to all the allergens tested. Epicutaneous tests were negative as well. No pathological findings were found in the upper endoscopy or biopsies performed. Simple blind oral provocation test with pineapple was positive, with immediate report of oral itching, tongue edema, cough and dysphagia. The patient refused to continue the allergologic study.