Acuteoften associated with airspace
filling |
| Interstitial pulmonary edema |
| Interstitial pneumonitisviral, mycoplasma |
Chronic interstitial lung diseases |
| Neoplastic infiltration (lymphangitic carcinomatosis, lymphoma) |
| Sarcoidosis |
| Collagen-vascular diseases |
| Interstitial pneumonitis |
| Idiopathic pulmonary fibrosis |
| Pneumoconiosis (silicosis, asbestosis) |