Figure 6 (A and B): Congenital: Optic nerve hypoplasia. Sagittal T1, T2W (A) and coronal T2W (B) images of a 1-day-old baby with multiple congenital anomalies showing basal (sphenoethmoidal) encephalocele (elbow arrow), corpus callosal agenesis (arrowhead), cleft lip and palate (white arrow), microphthalmia, and hypoplastic optic nerves and chiasma (black arrows)