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A case of occupational asthma caused by Japanese cedar wood dust

Other Title
일본 삼나무 분진에 의한 직업성천식 1례
Authors
이, 수걸; 서, 정희; 김, 선신; 남, 동호; 박, 해심
Citation
Chʿŏnsik mit alrerugi, 20(2):236-241, 2000
Journal Title
Chʿŏnsik mit alrerugi; Journal of asthma, allergy and clinical immunology; Korean journal of asthma, allergy and clinical immunology; 천식 및 알레르기
ISSN
1226-8739
Abstract
Inhalation of wood dust can cause immediate and/or late onset asthma, and the number of differeut kinds of wood responsible for such reactions is increasing. We report a patient with asthma induced by exposure to the dust of Japanese cedar wood

(Cryptomeria japonica). A 30-year-old man developed rhinorrhea, sneezing and coughing, 6 years prior to admission. For the past 8 years, he had been involved in interior decoration of kitchen and sauna room using wood. Total peripheral eosinophil

count

was 600/㎣ and serum total IgE level was 505 IU.ml. Allergy skin prick test showed negative responses to 80 common inhalant and food allergens. Skin prick test to Japanese cedar wood dust extract showed negative respinse. Bronchoprovocation test

with

Japanese cedar wood dust extract (1:10w/v) showed dual asthmatic response. Specific IgE and IgG4 antibodies to Japanese cedar wood dust extract were not detectable by ELISA. Serum neutrophil chemotactic assay using patient's serum collected

during

bronchoprovocation test showed increased neutrophil chemotactic activity at 4 hr.

In conclusion, non-IgE mediated mechanism may be involved in pathogenesis of Japanese cedar wood dust-induced asthma. Further studies will be needed to investigate the pathogenetic mechanism.
Keywords
Japanese cedarwood dustoccupational asthma
Appears in Collections:
Journal Papers > School of Medicine / Graduate School of Medicine > Allergy
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