Idiopathic interstitial pneumonia
| Idiopathic interstitial pneumonia | |
|---|---|
| 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 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.