Idiopathic interstitial pneumonia | |
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Other names | Noninfectious pneumonia |
Micrograph of usual interstitial pneumonia (UIP). UIP is the most common pattern of idiopathic interstitial pneumonia and usually represents idiopathic pulmonary fibrosis. H&E stain. Autopsy specimen. | |
Specialty | Respirology |
Idiopathic interstitial pneumonia (IIP), or noninfectious pneumonia[1] are a class of diffuse lung diseases. These diseases typically affect the pulmonary interstitium, although some also have a component affecting the airways (for instance, cryptogenic organizing pneumonitis). There are seven recognized distinct subtypes of IIP.[2]