Congenital lobar emphysema

Discussion:

Congenital lobar overinflation (CLO), previously called congenital lobar emphysema, is a congenital lung abnormality that results in progressive overinflation of one or more lobes of a neonate's lung. It is more common in males (M:F = 3:1). The left upper lobe is the most commonly affected, 40-45%.

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