Faculty Opinions recommendation of Chronic hypersensitivity pneumonitis: differentiation from idiopathic pulmonary fibrosis and nonspecific interstitial pneumonia by using thin-section CT.

Author(s):  
Jay H Ryu
2014 ◽  
Vol 21 (6) ◽  
pp. 370-372 ◽  
Author(s):  
Kerri A Johannson ◽  
Christopher J Ryerson

Chronic hypersensitivity pneumonitis (HP) arises from repeated exposure to causative antigens. Although HP can be challenging to diagnose, it is important to differentiate from idiopathic pulmonary fibrosis and idiopathic non-specific interstitial pneumonia. HP has a unique management approach and portends a unique prognosis. The present article summarizes the recent published literature on chronic HP and highlights the features that may be helpful in distinguishing it from other chronic interstitial lung diseases.


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