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首页> 外文期刊>ORL: Journal for oto-rhino-laryngology and its borderlands >Cochlear orientation and dimensions of the facial recess in cochlear implantation.
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Cochlear orientation and dimensions of the facial recess in cochlear implantation.

机译：人工耳蜗植入时面部凹窝的方向和大小。

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摘要

OBJECTIVE: To study the dimensions of the facial recess and the spatial relationship between the facial recess and the cochlea, using CT scanning in cochlear implantees. METHOD: In 29 cochlear implantees, preoperative CT scans of the temporal bone were compared with findings done at surgery. The dimensions of the facial recess and the relationship between the facial recess and the cochlea were both measured on a viewing station and classified on printed films by 3 blinded and independent reviewers. RESULTS: No significant relations could be found between either intuitive classification of facial recess width or electrode array insertion feasibility and the measurements with the viewing station. The 3 reviewers had large interobserver variability. In 5 cases, neither intuitive review of the CT scans nor viewing station measurements could predict any of the problems encountered during surgery. CONCLUSION: Our findings show that intuitive review was not reliable in classifying facial recess width. Viewingstation measurements, in classifying the spatial relation between the facial recess and the cochlear basal turn, need a more detailed review in terms of the relationship with the operation direction and the orientation of the basal turn of the cochlea. Advanced imaging techniques, specifically multislice CT, might improve the diagnostic capabilities.
机译：目的：通过CT扫描人工耳蜗，研究面部凹陷的尺寸以及面部凹陷与耳蜗的空间关系。方法：在29名人工耳蜗植入物中，将颞骨的术前CT扫描与手术时的发现进行比较。面部凹部的尺寸以及面部凹部与耳蜗之间的关系均在观察站上测量，并由3位盲人和独立审阅者在印刷的胶片上进行分类。结果：在面部凹陷宽度的直观分类或电极阵列插入可行性与观察站的测量之间没有发现显着的关系。 3位评论者的观察者间差异较大。在5例病例中，CT扫描的直观检查和观察站的测量都无法预测手术期间遇到的任何问题。结论：我们的研究结果表明，直观的回顾在分类面部凹陷宽度方面不可靠。在对面部凹部和耳蜗基底转弯之间的空间关系进行分类时，观察站的测量需要就与耳蜗基底转弯的操作方向和方向的关系进行更详细的审查。先进的成像技术（尤其是多层CT）可能会提高诊断能力。

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