低场强MRI对听神经瘤的诊断分析(1)
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摘要：目的 分析听神经瘤的低场强MRI表现并探讨其临床应用价值和意义。方法 收集来我院检查并经手术病理证实的21例听神经瘤，回顾性分析其影像学特点。结果 本组21例均为单侧发病，全部行MRI平扫及增强扫描，MRI表现具有特征性。结论 低场强MRI可清晰显示桥小脑角区的解剖部位，对听神经瘤的显示非常敏感，能清晰显示瘤体的信号特点，低场强MRI对听神经瘤的定位及定性诊断有重要价值。
关键词：低场强磁共振成像；听神经瘤
Abstract：Objective To investigate the value of low field MRI in diagnosis of the acoustic neuroma.Methods Twenty-one patients with acoustic neuromas were confirmed by pathologic examination， The image characteristics of this patients were analyzed restrospectively.Results Twenty-one patients all involved unilateral auditory nerve.Twenty-one patients were examined all by MRI plan scan and enhancement scan. MRI findings of the acoustic neuroma are characteristic ......
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