Frequent causes |
Viral or bacterial pneumonia, slowly resolving# |
Organising pneumonia (BOOP)# |
Tuberculosis |
Pulmonary infarction |
Pulmonary contusion |
Localised pulmonary oedema |
Less frequent causes |
Bronchioloalveolar cancer# |
Pseudo-alveolar sarcoidosis# |
Pulmonary hypersensitivity# |
Lymphoma# |
Alveolar proteinosis# |
Oily pneumonia# |
Radio-induced pneumonitis# |
Eosinophilic pneumonia |
Alveolar haemorrhage |
Atypical Pneumocystis carinii pneumonia |
Opportunistic bacterial pneumonia (nocardiosis, actinomycosis, etc.) |
BOOP: bronchiolitis obliterans with organising pneumonia
#: the most frequent tentative diagnoses (owing to their clinically subacute presentation) 46