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听神经瘤是桥小脑角常见肿瘤,虽属良性,但由于早期症状无特殊,常被误诊而延误治疗。本科自1995年4月~10月尝试经迷路进路行听神经瘤切除术4例,效果满意。现报告如下。临床资料本科采用经迷路进路行听神经瘤切除术4例,均为单侧,男3例,女1例。年龄6个月,33~66岁,平均54岁。病程5年。临床症状均有不同程度的进行性听力减退,面部麻木,头晕及不稳感。纯音测听患耳全聋。听力脑干电反应(ABR)患侧均无反应。前庭功能检查(冷热水试验)显示患侧半规管反应减弱或消失。
Acoustic neuroma is a common tumor of the cerebellopontine angle, although a benign, but because of the early symptoms of no special, often misdiagnosed and delayed treatment. Undergraduate from April 1995 to October tried to get into the line of acoustic neuroma resection in 4 cases, the effect is satisfactory. The report is as follows. Undergraduate clinical data using the lost line of acoustic neuroma resection in 4 cases, both unilateral, 3 males and 1 female. Age 6 months, 33 ~ 66 years old, average 54 years old. Duration of 5 years. Clinical symptoms have varying degrees of progressive hearing loss, facial numbness, dizziness and instability. Pure tone audiometry ear hearing loss. Auditory brainstem response (ABR) showed no response on the affected side. Vestibular function test (hot and cold water test) showed that the affected side of the semicircular canal response weakened or disappeared.