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A Case of Occupational Rhinitis Caused by Rice Powder in the Grain Industry

Authors
Kim, JH; Kim, JE; Choi, GS; Hwang, EK; An, S; Ye, YM; Park, HS
Citation
Allergy, asthma & immunology research, 2(2):141-143, 2010
Journal Title
Allergy, asthma & immunology research
ISSN
2092-73552092-7363
Abstract
Rice is the major staple food in a large part of the world, especially in Asia. Hypersensitivity reactions to rice are rare. Moreover, cases of occupational allergies induced by inhalation of rice powder are uncommon. We report a 31-year-old male with work-related rhinitis and conjunctivitis symptoms caused by occupational exposure to rice powder in the grain industry. He showed positive responses to rice extracts on a skin prick test, and a high level of serum specific IgE to rice was detected by ELISA. Occupational rhinitis was confirmed by a nasal provocation test with rice extracts. An IgE ELISA inhibition test showed cross-creativity between rice and various grass pollen extracts. These findings suggest that the inhalation of rice powder can induce IgE-mediated occupational rhino-conjunctivitis, which may be derived from cross-reactivity to major grass pollens.
Keywords
Occupational rhinitisricegrass pollencross-reactivityimmediate hypersensitivity
DOI
10.4168/aair.2010.2.2.141
Appears in Collections:
Journal Papers > School of Medicine / Graduate School of Medicine > Allergy
AJOU Authors
김, 주희김, 정은최, 길순예, 영민박, 해심
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