Trisomy 21 Alberto Hernandez, MD Article Published: Jul 20, 2004 Guadalajara Jalisco, Mexico. These are the antenatal scans of a third trimester fetus with Trisomy 21. Postnatal photographs demonstrating the macroglossia are also shown. The nasal bone: Macroglossia in coronal and sagittal views: The newborn: The round low-set ears: The sandal gap Discussion Board Start a discussion about this article Add to Favorites Favorite