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为探讨脑诱发电位的临床应用,本文对24例桥小脑角占位病变(其中20例为听神经瘤)患者的脑干听觉诱发电位进行了分析。结果表明:桥小脑角占位病变患者听觉诱发电位改变大致可有:1、全部波形缺失。2、部分波形缺失。3、波峰间期延长。结果提示早期患者听觉诱发电位异常仅表现在患侧,其改变程度似与肿物所在部位有关而与肿物大小无明显关系。因此脑干听觉诱发电位检查可作为桥小脑角占位特别是听神经瘤的早期诊断方法之一。
To explore the clinical application of brain evoked potentials, we analyzed the brainstem auditory evoked potentials in 24 patients with cerebellopontine angle lesions (20 of which were acoustic neuromas). The results show that: cerebellar angle occupying lesions in patients with auditory evoked potential changes can be roughly: 1, the entire waveform is missing. 2, part of the waveform is missing. 3, extension of the peak period. The results suggest that early abnormal auditory evoked potentials in patients with only the ipsilateral, the extent of the change may be related to the location of the tumor and the size of the tumor has no significant relationship. Therefore, brainstem auditory evoked potentials can be used as cerebellopontine angle occupying one of the early diagnosis of acoustic neuroma.