A narrow internal auditory canal with duplication in a patient with congenital sensorineural hearing loss.

Abstract:

:A narrow internal auditory canal (IAC) with duplication is a rare anomaly of the temporal bone. It is associated with congenital sensorineural hearing loss. Aplasia or hypoplasia of the vestibulocochlear nerve may cause the hearing loss. We present an unusual case of an isolated narrow IAC with duplication that was detected by a CT scan. In this case, the IAC was divided by a bony septum into an empty stenotic inferoposterior portion and a large anterosuperior portion containing the facial nerve that was clearly delineated on MRI.

journal_name

Korean J Radiol

authors

Baik HW,Yu H,Kim KS,Kim GH

doi

10.3348/kjr.2008.9.s.s22

subject

Has Abstract

pub_date

2008-07-01 00:00:00

pages

S22-5

eissn

1229-6929

issn

2005-8330

pii

200807s022

journal_volume

9 Suppl

pub_type

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