%0 Journal Article %T Case report: Antenatal diagnosis of congenital high airway obstruction syndrome - laryngeal atresia. %A Garg MK %J Indian J Radiol Imaging %V 18 %N 4 %D Nov 2008 %M 19774196 暂无%R 10.4103/0971-3026.43843 %X 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.