Figure 4From: Clinical course and implications of congenital nasal pyriform stenosis and solitary median maxillary central incisor in a newborn: a case report Intraoperative findings. Prominent stenosis of the pyriform aperture (arrow) and protrusion of the median alveolus with an underlying solitary median maxillary central incisor (asterisk) (a). Situs after widening the pyriform aperture (b).Back to article page