Etiology
- bronchiolar infections
allergic reactions
dysimmunity
- collagen vascular diseases
bronchocentric granulomatosis
allergic bronchopulmonary fungal disease
distal to bronchiectasis
inflammatory bowel diseases (IBDs)
aspiration penumonia
graft-versus host disease (pulmonary GVHD)
Wegener granulomatosis
acute bronchiolitis of unknown cause (idiopathic acute bronchiolitis)
See also
pulmonary lesions