近年无数文献报导听神经纤维瘤大部源于第八神经前庭支。Leonhard等(1970)解剖490对颞骨有4例为真正的神经纤维瘤,且都来自前庭支。耳蜗支听神经纤维瘤过去仅有5例报告。作者常规检查150对颞骨,系统切片,发现4例病人死时尚未诊断出听神经纤维瘤。2例在 Numerous literatures reported in recent years, most of acoustic neurofibroma from the eighth nerve vestibule. Leonhard et al. (1970) Anatomy of 490 Four temporal bone tumors were true neurofibromas and all came from the vestibular branch. Cochlear auditory neurofibroma in the past only 5 cases report. The authors routinely examined 150 pairs of temporal bones and systematically sliced ​​and found that 4 patients had not been diagnosed with acoustic neurofibroma at the time of their death. 2 cases in