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

被引：12

作者：

Baik, Hye Won ^{[1
]}

Yu, Hyeon ^{[1
]}

Kim, Kyung Soo ^{[2
]}

Kim, Gi Hyeon ^{[1
]}

机构：

[1] Chung Ang Univ, Coll Med, Chung Ang Univ Hosp, Dept Radiol, Seoul 156755, South Korea

[2] Chung Ang Univ, Coll Med, Chung Ang Univ Hosp, Dept Otolaryngol & Head & Neck Surg, Seoul 156755, South Korea

来源：

KOREAN JOURNAL OF RADIOLOGY | 2008年 / 9卷

关键词：

ear; abnormalities; ear anatomy; mr; magnetic resonance (MR); pulse sequences; thin section; nerves;

D O I：

10.3348/kjr.2008.9.s.s22

中图分类号：

R8 [特种医学]; R445 [影像诊断学];

学科分类号：

1002 ; 100207 ; 1009 ;

摘要：

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.

引用

页码：S22 / S25

页数：4

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