Prenatal diagnosis of type 1 tracheal agenesis without tracheoesophageal fistula.


Tracheal agenesis is a rare and uniformly lethal congenital malformation. We recently had the opportunity to diagnose prenatally a case of type I tracheal agenesis without fistula in a 22-week-old fetus, in which the hyperechogenicity of the enlarged lungs was associated with ascites, and tracheal dilatation in the lower half. We report the ultrasonographic… (More)