Etiology
desquamative interstitial pneumonia (DIP)
respiratory bronchiolitis associated with interstitial lung disease
Langerhans cell histiocytosis
drug reactions
- amiodarone reaction
chronic alveolar damage
eosinophilic pneumonia
pneumoconioses
obstructive pneumonia (foamy macrophages)
exogenous lipoid pneumonia
lipid storage diseases
infections in immunocompromised patients (histiocytic pneumonia)
focal microscopic finding in many conditions
See also
diffuse lung diseases
- interstitial lung diseases