Oedema
Pneumoconioses
Carcinomas and sarcomas
Small-airways disease with constrictive bronchiolitis
Infection
Chronic granulomatous infection
Lymphoproliferative diseases
Vasculopathic diseases
Aspiration
Usual interstitial pneumonia
Miliary granulomatous infections
Lymphangioleiomyomatosis
Hypersensitivity pneumonitis (extrinsic allergic alveolitis)
Chronic hypersensitivity pneumonitis
Aspiration bronchiolitis
Langerhans cell histiocytosis
Drug reactions (toxic and hypersensitivity)
Related to rheumatic disease
Hypersensitivity pneumonitis
Fumes and toxin injury
Chronic drug reactions
Pulmonary Langerhans cell histiocytosis
Sarcoidosis
Idiopathic interstitial pneumonias
Lymphoid interstitial pneumonia
Wegener granulomatosis
Non-specific interstitial pneumonia
Fibrotic non-specific interstitial pneumonia
Necrotising sarcoidosis
Chronic aspiration
Silicosis and silicate disease
Desquamative interstitial pneumonia
Chronic radiation injury
Respiratory bronchiolitis-associated interstitial lung disease
Advanced Langerhans cell histiocytosis
Lymphangitic tumours
Hermansky–Pudlak syndrome
Wegener granulomatosis (haemorrhage variant)
Erdheim–Chester disease (non-Langerhans cell histiocytosis)
Alveolar proteinosis
Amyloidosis