Food protein‐induced enterocolitis syndrome caused by buckwheat

Satou, Taiki; Horino, Satoshi; Nihei, Masato; Miura, Katsushi

doi:10.1111/ped.13952

Cited by 9 publications

(1 citation statement)

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“…1 Although many foods can cause FPIES, buckwheat is a rare causative food, of which only one case has been reported. 2 Recently, it was reported that lymphocyte stimulation test (LST) and thymus and activation-regulated chemokine (TARC) levels after ingestion of causative foods may be useful in the diagnosis of FPIES. [3][4][5][6] However, it is unknown whether the patients with FPIES caused by buckwheat had the same changes in these laboratory test values due to small number of cases.…”

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confidence: 99%

Food protein–induced enterocolitis syndrome due to buckwheat: A case report

Miyamoto

Kato

Yoshihara

et al. 2023

Allergol Immunopathol

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Buckwheat is a rare causative food for food protein–induced enterocolitis syndrome (FPIES). To date, it is unknown what laboratory data patients with FPIES caused by buckwheat show. We report a 4-year-old female with FPIES caused by buckwheat and the laboratory results. Skin prick, specific IgE antibody, and basophil activation tests were negative; however, the lymphocyte stimulation test (LST) revealed a 10.2-fold increase in activation compared with the negative control. In an open-label oral food challenge (OFC) of 80 g boiled buckwheat noodles, 3 hours after ingestion, vomiting occurred four times in a 2-hour duration. Therefore, we diagnosed the patient with FPIES caused by buckwheat. Her neutrophil count, C-reactive protein, and thymus and activation-regulated chemokine were elevated after the OFC. Moreover, the patient had a positive reaction to the LST, which may theoretically be useful in diagnosing non-immunoglobulin E-mediated gastrointestinal food allergies. FPIES caused by buckwheat is rare; however, we found that the same laboratory results were observed in a comparison of FPIES cases caused by other foods.

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