Absent mandibular gap in the retronasal triangle view: a clue to the diagnosis of micrognathia in the first trimester
Ultrasound Obstet Gynecol. 2012 Feb;39(2):152-6. doi: 10.1002/uog.10121. Epub 2012 Jan 9. ABSTRACT OBJECTIVE: To describe a new ultrasound technique that may be useful for the diagnosis of micrognathia in the first trimester of pregnancy. METHODS: The retronasal triangle (RNT) view is a technique that captures the coronal plane of the face in which the primary […]



