与占位于内听道扩展至桥小脑角的听神经瘤有所不同，位于迷路内的听神经瘤是罕见的。以往报道的病例多是在尸检或对不可控制的梅尼埃综合征施行破坏性迷路切除术中被发现的。报道一例，患者为一经验丰富的女潜水员，49岁，因左侧进行性听力减退伴短暂的耳鸣就诊。18个月后听力 Unlike acoustic neuromas, which are located in the auditory canal extending to the bridge cerebellar angle, acoustic neuromas located in the lost path are rare. Previously reported cases were mostly found in autopsy or in degenerative labyctomy on uncontrollable Meniere’s syndrome. One case was reported. The patient was an experienced female diver, 49 years old, with transient left tinnitus due to progressive left hearing loss. Hearing after 18 months