Table 1

Causes of secondary organising pneumonia

Drug toxicity
 Amiodarone
 Minocyclin
 β-blockers
 Beomycin
 Carbamazepine
 Mesalamine
 Penicillamine
Chronic thyroiditis
Common variable immunodeficiency
Infections
 Bacterial, fungal, viral
Haematologic malignancies
 Lymphoma, leukaemia
Reactions next to:
 Lung cancer
 Diffuse alveolar haemorrhage
 Airway obstruction
Autoimmune diseases
 Polymyositis/dermatomyositis
 Rheumatoid arthritis
 Systemic sclerosis
 Systemic lupus erythematosus
 Sjögren syndrome
 Granulomatosis polyangiitis
Inflammatory bowel diseases
Injuries
 Aspiration
 Irradiation
Transplantation
Association with other interstitial lung diseases/patterns
 Nonspecific interstitial pneumonia
 Hypersensitivity pneumonitis
 Usual interstitial pneumonia
 Diffuse alveolar damage
 Chronic eosinophilic pneumonia