Article: Rare presentation of anaphylaxis: pancake syndrome

A 43-year-old woman presented with oral discomfort, sneezing, urticaria, eyelid angioedema, abdominal pain, diarrhoea, dyspnoea and wheeze soon after eating a Japanese flour pancake (okonomiyaki, containing wheat, egg, yam, pork, prawn and squid). Subsequent analysis of the flour used in the pancake revealed the presence of (4500 mites/g). The patient tested positive for specific IgE to (15.2 kU/L) and (14.0 kU/L) with negative responses to other ingredients in the pancake. Oral ingestion of dust mite in poorly stored foods can cause anaphylactic reactions in patients with allergy.

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Rare Presentation of Anaphylaxis: Pancake Syndrome