Congenital high airway obstruction sequence (CHAOS): a new case and a review of phenotypic features.

Abstract excerpt

Congenital high airway obstruction sequence (CHAOS) has traditionally been defined as airway obstruction with ultrasound evidence of distal airway dilatation, expanded lungs, ascites, and hydrops. It can result from aplasia or intrinsic obstruction to the formation of the upper airway (larynx and trachea) during development. CHAOS is commonly sporadic and there is no known causative gene. In this comprehensive...

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