...定） 签名：必雾 导师签名： 日期：翊望笾蝴 一、中文摘要 【摘要】 目的通过轴位高分辨率CT对前庭导水管（vestibular aqueduct，VA）形态进行观察并对前庭导水管进行定量测量，从而获得 相应测量值范围，同时比较不同年龄、性别有无显著性差...
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目的评价横轴位高分辨率CT扫描对前庭导水管扩大畸形的诊断价值。
Objective To assess the value of axial high resolution computed tomography(HRCT)scans in the diagnosis of the large vestibular aqueduct malformation.
CT能准确地显示前庭导水管扩大，对指导治疗有帮助。
Ct can accurately show the large vestibular aqueduct, and is helpful to its therapy.
方法：对18例经高分辨率CT证实为双侧大前庭导水管综合征患者的诊疗过程进行回顾性分析。
Methods: The clinical process of diagnosis and treatment of 18 patients with LVAS confirmed by high resolution ct were retrospectively analyzed.
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