Pneumonitis is a broad descriptive term indicating inflammation of the lung. In clinical practice and more specifically radiology, pneumonitis refers to inflammation of the pulmonary interstitium. The term is often used interchangeably with interstitial pneumonia.
Etiology
- hypersensitivity pneumonitis
- radiation induced:
- lymphocytic interstitial pneumonitis
- acute lupus pneumonitis
- acute aspiration pneumonitis
- acute interstitial pneumonitis
- chronic interstitial pneumonitis
- collagen vascular disease related interstitial pneumonitis
- drug induced: