| Normal |
| Hypersensitivity pneumonitis |
| Sarcoidosis |
| Bronchiolitis obliterans |
| Asbestosis |
| Distribution of disease within the lung |
| Peripheral lung zone |
| Idiopathic pulmonary fibrosis |
| Asbestosis |
| Connective tissue disease |
| Cryptogenic organizing pneumonia |
| Eosinophilic pneumonia |
| Central disease (bronchovascular thickening) |
| Sarcoidosis |
| Lymphangitic carcinoma |
| Upper zone predominance |
| Granulomatous disease |
| Sarcoidosis |
| Pulmonary histiocytosis X (eosinophilic granuloma) |
| Chronic hypersensitivity pneumonitis |
| Chronic infectious diseases (eg, tuberculosis, histoplasmosis) |
| Pneumoconiosis |
| Silicosis |
| Berylliosis |
| Coal miners' pneumoconiosis |
| Lower zone predominance |
| Idiopathic pulmonary fibrosis |
| Rheumatoid arthritis (associated with usual interstitial pneumonia) |
| Asbestosis |
