Narrow and vacant internal auditory canal.
A case of unilateral congenital deafness revealing a narrow vacant internal auditory canal and a more anterior and superior second canal where the facial and vestibulocochlear nerves are well visualised is presented. Having reviewed the scientific and embryological data, the authors consider the mechanism of this malformation.
Vilain
J
J
ENT Department, Clinique St-Pierre, Ottignies.
Pigeolet
Y
Y
Casselman
J W
JW
D000293:Adolescent; D003056:Cochlear Nerve / Q000000981:diagnostic imaging; D003638:Deafness / Q000151:congenital* / Q000175:diagnosis; D007758:Ear, Inner / Q000002:abnormalities* / Q000000981:diagnostic imaging; D004584:Electronystagmography; D016057:Evoked Potentials, Auditory, Brain Stem; D005154:Facial Nerve / Q000000981:diagnostic imaging; D006801:Humans; D008297:Male; D014057:Tomography, X-Ray Computed; D014725:Vestibular Nerve / Q000000981:diagnostic imaging