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Journal of Asthma and Allergy Volume 17, 2024 - Issue
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CASE REPORT

A Case of Type I Food Allergy Induced by Monosodium Glutamate

Reeko Osada1 Department of Respirology, National Hospital Organization Yokohama Medical Center, Yokohama, JapanView further author information
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Chiyako Oshikata1 Department of Respirology, National Hospital Organization Yokohama Medical Center, Yokohama, Japan;2 Department of Allergy and Respirology, Hiratsuka City Hospital, Hiratsuka, Japan;3 Department of Pulmonology, Yokohama City University Graduate School of Medicine, Yokohama, JapanView further author information
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Yuichi Kurihara4 Department of Dermatology, Hiratsuka City Hospital, Hiratsuka, JapanORCID Iconhttps://orcid.org/0000-0001-9089-6477View further author information
ORCID Icon,
Kosuke Terada1 Department of Respirology, National Hospital Organization Yokohama Medical Center, Yokohama, JapanView further author information
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Yuka Kodama1 Department of Respirology, National Hospital Organization Yokohama Medical Center, Yokohama, JapanView further author information
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Yuga Yamashita1 Department of Respirology, National Hospital Organization Yokohama Medical Center, Yokohama, JapanView further author information
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Ryo Nakadegawa1 Department of Respirology, National Hospital Organization Yokohama Medical Center, Yokohama, JapanView further author information
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Hinako Masumitsu1 Department of Respirology, National Hospital Organization Yokohama Medical Center, Yokohama, JapanView further author information
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Yuto Motobayashi1 Department of Respirology, National Hospital Organization Yokohama Medical Center, Yokohama, JapanView further author information
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Hirokazu Takayasu1 Department of Respirology, National Hospital Organization Yokohama Medical Center, Yokohama, JapanView further author information
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Nami Masumoto1 Department of Respirology, National Hospital Organization Yokohama Medical Center, Yokohama, Japan;3 Department of Pulmonology, Yokohama City University Graduate School of Medicine, Yokohama, JapanView further author information
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Saki Manabe1 Department of Respirology, National Hospital Organization Yokohama Medical Center, Yokohama, JapanView further author information
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Yingyao Zhu4 Department of Dermatology, Hiratsuka City Hospital, Hiratsuka, JapanORCID Iconhttps://orcid.org/0000-0001-6100-1515View further author information
ORCID Icon,
Ryo Tanaka4 Department of Dermatology, Hiratsuka City Hospital, Hiratsuka, JapanView further author information
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Takeshi Kaneko3 Department of Pulmonology, Yokohama City University Graduate School of Medicine, Yokohama, JapanView further author information
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Aya Sasaki5 Department of Clinical Laboratory, Tokyo Dental College Ichikawa General Hospital, Ichikawa, JapanORCID Iconhttps://orcid.org/0000-0001-7607-4987View further author information
ORCID Icon &
Naomi Tsurikisawa1 Department of Respirology, National Hospital Organization Yokohama Medical Center, Yokohama, Japan;2 Department of Allergy and Respirology, Hiratsuka City Hospital, Hiratsuka, Japan;3 Department of Pulmonology, Yokohama City University Graduate School of Medicine, Yokohama, JapanCorrespondence[email protected]
ORCID Iconhttps://orcid.org/0000-0001-9722-4569View further author information
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Pages 161-165 | Received 08 Dec 2023, Accepted 20 Feb 2024, Published online: 07 Mar 2024

Figures & data

Figure 1 Buccal mucosal pathology after challenge testing. We biopsied our patient’s buccal mucosa immediately after intraoral bleeding developed due to her ingestion of potato snacks. Hematoxylin and eosin staining shows telangiectasia (black arrows) (a) and edema (black arrows) (b) of the subepithelial submucosa. Immunohistochemistry for c-kit reveals mast cells (red arrows) (c). The images in panels (b and c) are of the same section.

Figure 1 Buccal mucosal pathology after challenge testing. We biopsied our patient’s buccal mucosa immediately after intraoral bleeding developed due to her ingestion of potato snacks. Hematoxylin and eosin staining shows telangiectasia (black arrows) (a) and edema (black arrows) (b) of the subepithelial submucosa. Immunohistochemistry for c-kit reveals mast cells (red arrows) (c). The images in panels (b and c) are of the same section.

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