Hypersensitivity pneumonitis (HP) is a complex syndrome caused by the inhalation of environmental antigens. Chronic HP may mimic other fibrotic lung diseases, such as idiopathic pulmonary fibrosis. Recognition of the antigen is important for diagnosis; avoidance of further exposure is critical for treatment. Fibrosis on biopsy or high-resolution computed tomography is a predictor of increased mortality. Additional research is needed to understand why the disease develops only in a minority of exposed individuals and why cases of chronic HP may progress without further antigen exposure.
机构:Tokyo Med & Dent Univ, Dept Integrated Pulmonol, Bunkyo Ku, Tokyo 1138519, Japan
Kuramochi, J.
Inase, N.
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Tokyo Med & Dent Univ, Dept Integrated Pulmonol, Bunkyo Ku, Tokyo 1138519, JapanTokyo Med & Dent Univ, Dept Integrated Pulmonol, Bunkyo Ku, Tokyo 1138519, Japan
Inase, N.
Miyazaki, Y.
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机构:Tokyo Med & Dent Univ, Dept Integrated Pulmonol, Bunkyo Ku, Tokyo 1138519, Japan
Miyazaki, Y.
Kawachi, H.
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Tokyo Med & Dent Univ, Dept Pathol, Tokyo 1138519, JapanTokyo Med & Dent Univ, Dept Integrated Pulmonol, Bunkyo Ku, Tokyo 1138519, Japan
Kawachi, H.
Takemura, T.
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Japan Red Cross Ctr, Div Pathol, Tokyo, JapanTokyo Med & Dent Univ, Dept Integrated Pulmonol, Bunkyo Ku, Tokyo 1138519, Japan
Takemura, T.
Yoshizawa, Y.
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机构:Tokyo Med & Dent Univ, Dept Integrated Pulmonol, Bunkyo Ku, Tokyo 1138519, Japan