This space is continuous with the peribronchial and pulmonary perivascular sheaths.
2.
Acute HP is characterized by poorly formed noncaseating interstitial granulomas and mononuclear cell infiltration in a peribronchial distribution with prominent giant cells.
3.
In a chicken ovalbumin ( OVA ) model of allergic airway inflammation, the Siglec-F knockout mouse exhibits increased lung eosinophilia, enhanced inflammation, delayed resolution, and exacerbated peribronchial fibrosis.