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Cystic Lung Disease
Causes for upper lobe predominant fibrocystic changes include:
- Tuberculosis
- Sarcoidosis
- Ankylosing spondylitis
- Chronic hypersensitivity pneumonitis
- Chronic Langerhans cell granulomatosis (eosinophilic granuloma)
- Drug toxicity
Causes of Focal or Multifocal Cystic Lung Disease
- Congenital
- Bronchogenic cysts
- Pulmonary sequestration
- Congenital cystic adenomatoid malformation
- Infectious
- Pulmonary tuberculosis
- Coccidioidomycosis
- Pneumocystic carinii
- Echinococcus granulosus or multilocularis
