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日本呼吸器学会英文誌 Respiratory Investigation
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Abstract

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Article in Japanese

Case Report

Probable occupational hypersensitivity pneumonitis with marked eosinophilia in bronchoalveolar lavage fluid

Hideto Oshita  Noriaki Ito  Misato Senoo  Yutaro Yamamoto  Kohei Kawasaki  Ken Okusaki 

Department of Internal Medicine, Mihara Medical Association Hospital

ABSTRACT

A 39-year-old man presented with recurrent chest and back pain, fever, and cough after changing careers to the automobile parts manufacturing industry. We initially diagnosed him with pleuritis; however, on recurrence immediately after he returned to work, hypersensitivity pneumonitis was suspected. The bronchoalveolar lavage fluid showed an increase in the percentage of lymphocytes (43%) and eosinophils (35%). The environmental provocation test at his workplace was positive, and he was diagnosed as having occupational hypersensitivity pneumonitis. The case reported in the present study had a combination of the clinical features of both hypersensitivity pneumonitis and acute eosinophilic pneumonia.

KEYWORDS

Occupational hypersensitivity pneumonitis  Acute eosinophilic pneumonia  Bronchoalveolar lavage fluid (BALF)  Isocyanate 

Received 14 Mar 2019 / Accepted 17 May 2019

AJRS, 8(5): 336-339, 2019

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