内耳解剖结构异常所致重度感音神经性聋的影像学评估
Imaging assessment of profound sensorineural deafness with inner ear anatomical abnormalities.
作者信息
Wu Wei-Jing, He Xiang-Bo, Tan Li-Hua, Hu Peng, Peng An-Quan, Xiao Zi-An, Yang Shu, Wang Tian, Qing Jie, Chen Xin, Li Jing-Kun, Peng Tao, Dong Yun-Peng, Liu Xue-Zhong, Xie Ding-Hua
机构信息
Department of Otolaryngology and Head & Neck Surgery, Institute of Otology, Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, China.
Department of Radiology, Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, China.
出版信息
J Otol. 2015 Mar;10(1):29-38. doi: 10.1016/j.joto.2015.07.005. Epub 2015 Sep 2.
OBJECTIVE
To explore the value of a combined computed tomography (CT) and magnetic resonance imaging (MRI) in evaluating profound sensorineural deafness patients before cochlear implant (CI) surgery.
METHODS
A retrospective analysis of 1012 cases of profound sensorineural deafness that received CI was performed.
RESULTS
A total of 96 cases were diagnosed with inner ear abnormalities including large vestibular aqueduct syndrome (LVAS, n = 61), Michel deformity (n = 3), cochlear incomplete partition I (n = 2), cochlear incomplete partition II (n = 6), cochlear hypoplasia with vestibular malformation (n = 3), cochlear ossification (n = 3), bilateral internal auditory canal obstruction (n = 5) and internal auditory canal stenosis (n = 2).
CONCLUSION
High resolution CT (HRCT) can display bony structures while MRI can image the membranous labyrinth in preoperative evaluation for cochlear implantation. The combination of these two modalities provides reliable anatomical information regarding the bony and membranous labyrinths, as well as the auditory nerve.
目的
探讨计算机断层扫描（CT）与磁共振成像（MRI）联合应用在评估人工耳蜗植入（CI）手术前极重度感音神经性聋患者中的价值。
方法
对1012例行CI的极重度感音神经性聋病例进行回顾性分析。
结果
共96例被诊断为内耳异常，包括大前庭导水管综合征（LVAS，61例）、米歇尔畸形（3例）、耳蜗不完全分隔I型（2例）、耳蜗不完全分隔II型（6例）、耳蜗发育不全伴前庭畸形（3例）、耳蜗骨化（3例）、双侧内耳道梗阻（5例）和内耳道狭窄（2例）。
结论
高分辨率CT（HRCT）可显示骨结构，而MRI可在人工耳蜗植入术前评估中对膜迷路成像。这两种检查方式的联合应用可提供有关骨迷路和膜迷路以及听神经的可靠解剖学信息。
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