Aetiology of secondary spontaneous pneumothorax
| Airway disease |
| Chronic obstructive pulmonary disease |
| Cystic fibrosis |
| Acute severe asthma |
| Infectious lung disease |
| Pneumocystis carinii peumonia |
| Tuberculosis |
| Necrotising pneumonia |
| Interstitial lung disease |
| Sarcoidosis |
| Idiopathic pulmonary fibrosis |
| Histiocytosis X |
| Lymphangioleiomyomatosis |
| Connective-tissue disease |
| Rheumatoid arthritis |
| Ankylosing spondylitis |
| Polymyositis/dermatomyositis |
| Scleroderma |
| Marfan’s syndrome |
| Ehlers-Danlos syndrome |
| Cancer |
| Lung cancer |
| Sarcoma |