05 September 2025
: Case report
Management of Unilateral Hearing Loss in a 14-Year-Old with Internal Auditory Canal Duplication Using a Bonebridge Bone Conduction Implant
Challenging differential diagnosis, Management of emergency care, Congenital defects / diseases
Anna K. PiecuchDOI: 10.12659/AJCR.947791
Am J Case Rep 2025; 26:e947791
Figure 4 Cross-sectional CT scan of the right temporal bone showing critical stenosis of the VIII nerve canal proximal to the duplicated internal auditory canal, stenosis and sclerosis of the right cochlear area suggesting aplasia or severe hypoplasia of the vestibulocochlear nerve. fn – facial nerve canal; cvn – cochleovestibular nerve canal; vn – singular canal (for the posterior ampullary nerve); v – vestibule; c – cochlea, stenosis and sclerosis of the right cochlear aperture (white arrow).






