Figure 1From: A boy with homozygous microdeletion of NEUROG1 presents with a congenital cranial dysinnervation disorder [Moebius syndrome variant]High resolution CT of the left petrosus bone. The coronal view demonstrates the widened single basal cochlear turn (black arrow) and the narrowing of the auditory canal (white arrow). The patient did not show an enlarged vestibular aqueduct (EVA) but similar findings of the right petrosus bone.Back to article page