Idiopathic<unk>  pneumonia (IIP) is a disease entity that can be histologically classified into different categories.  Idiopathic pulmonary fibrosis has the same features as that of usual<unk>  pneumonia (UIP) whereas no specific pattern or common feature is noted among the other types of IIP.  The<unk>  of IIP can be summarized in the following three stages: recruitment of inflammatory cells, abnormal collagen deposition and fibroblastic proliferation and lastly progression to fibrosis.
Idiopathic interstitial pneumonia pathophysiology
Hypersensitivity pneumonitis pathophysiology
Cryptogenic organizing pneumonia pathophysiology
Idiopathic pulmonary fibrosis pathophysiology
Lymphomatoid granulomatosis pathophysiology
Pulmonary edema pathophysiology
Bronchiolitis pathophysiology
Sarcoidosis pathophysiology