{Reference Type}: Journal Article {Title}: Case report: Antenatal diagnosis of congenital high airway obstruction syndrome - laryngeal atresia. {Author}: Garg MK; {Journal}: Indian J Radiol Imaging {Volume}: 18 {Issue}: 4 {Year}: Nov 2008 暂无{DOI}: 10.4103/0971-3026.43843 {Abstract}: Congenital high airway obstruction syndrome (CHAOS) is a near fatal condition of multifactorial inheritence, in which the fetus has a dilated trachea, enlarged echogenic lungs, an inverted or flattened diaphagram, and ascites. A case of CHAOS, diagnosed antenatally on USG at 28 weeks of gestation, is being reported here.