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  • Title: Bronchoscopic appearances of congenital lobar emphysema.
    Author: Doull IJ, Connett GJ, Warner JO.
    Journal: Pediatr Pulmonol; 1996 Mar; 21(3):195-7. PubMed ID: 8860077.
    Abstract:
    Although decreased bronchial cartilage is found in 50% of cases of congenital lobar emphysema (CLE), it can only be surmised that this defect produces a ball valve effect with consequent overinflation. We describe the flexible bronchoscopic features of CLE in a 3-year-old child. The observed airway patency during inspiration, and dynamic airway collapse on expiration suggests that bronchomalacia contributes to lung overinflation in these cases.
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