Ni D, Li F, Peng P
PUMC Hospital, Beijing.
Zhonghua Er Bi Yan Hou Ke Za Zhi. 1996;31(1):36-8.
The abnormal auditory brainstem responses (ABR) of 56 cases who had different retrocochlear disorders were analysed. These disease included acoustic neuroma, glioma, cholesteatoma, astrocytoma, meningoma in cerebellopontile angle (CPA), chromaffin tumor of jugular foramen, intracranial metastatic tumor, demyelinating disease, multiple cranial nerve paralysis, hepatolenticular degeneration, other CPA tumors, expansion or stenosis of internal auditory meatus (IAM), and so on. The ABR features were varied in these diseases, even in same disease. In general, the wave latencies and interwave periods prolonged in the disorders which occupied place in CPA, the differentiation of wave was not clear and/or the wave was not well repeated in the disorders which spreaded all over the brain. The cause of abnormal ABRin which CT and/or MRI were normal was also analysed. The ABR detection is a sensitive indication in retrocochlear lesions.
对56例患有不同蜗后病变的患者的异常听觉脑干反应（ABR）进行了分析。这些疾病包括听神经瘤、胶质瘤、胆脂瘤、星形细胞瘤、桥小脑角（CPA）脑膜瘤、颈静脉孔嗜铬细胞瘤、颅内转移瘤、脱髓鞘疾病、多发性脑神经麻痹、肝豆状核变性、其他CPA肿瘤、内耳道（IAM）扩张或狭窄等。这些疾病中的ABR特征各不相同，即使在同一种疾病中也是如此。一般来说，位于CPA的病变中波潜伏期和波间期延长，而在累及全脑的病变中波分化不清晰和/或波重复性不佳。还分析了CT和/或MRI正常但ABR异常的原因。ABR检测是蜗后病变的敏感指标。
