, Volume 40, Issue 11, pp 1800-1805,
Open Access This content is freely available online to anyone, anywhere at any time.
Date: 25 Aug 2010

Fetal tracheolaryngeal airway obstruction: prenatal evaluation by sonography and MRI

Abstract

We reviewed the sonographic and MRI findings of tracheolaryngeal obstruction in the fetus. Conditions that can cause tracheolaryngeal obstruction include extrinsic causes such as lymphatic malformation, cervical teratoma and vascular rings and intrinsic causes such as congenital high airway obstruction syndrome (CHAOS). Accurate distinction of these conditions by sonography or MRI can help facilitate parental counseling and management, including the decision to utilize the ex utero intrapartum treatment (EXIT) procedure.