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Updated: Jan 27, 2026

Measuring Local Anaphylaxis in Mice
Published on: October 14, 2014
Rare presentation of anaphylaxis: pancake syndrome
Katsunori Masaki1,2, Koichi Fukunaga3, Yuji Kawakami4
1Department of Internal Medicine, Saiseikai Utsunomiya Hospital, Utsunomiya, Tochigi, Japan.
Abstract:
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 Dermatophagoides farinae (4500 mites/g). The patient tested positive for specific IgE to D. farinae (15.2 kU/L) and D. pteronyssinus (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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