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October-December 2015 | Vol. 8 | Issue 4 | Page No 3-5
Evolution of Congenital High Airway ObstructionSyndrome (CHAOS): A case report
Poonam Singh Gambhir a, Sushila Jaiswal b and Shubha R Phadke a ∗
Department of Medical Genetics, Sanjay Gandhi Post Graduate Institute of Medical Sciences, Lucknow, India | Department of Pathology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, India
Address for Correspondence Email: shubharaophadke@gmail.com
Congenital High Airway Obstruction Syndrome (CHAOS) is a rare, mostly lethal abnormality which is characterized by congenital obstruction of the upper airway usually at the level of the larynx or trachea. This condition is usually diagnosed in utero by ultrasonography which typically shows large echogenic lungs, flattened or inverted diaphragm with
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