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 聽神經(jīng)瘤(acousticneuroma)與其他腦神經(jīng)鞘瘤一樣起源于神經(jīng)鞘膜細(xì)胞(雪旺細(xì)胞),聽神經(jīng)瘤主要源于第Ⅷ腦神經(jīng)的前庭神經(jīng),故又稱前庭神經(jīng)鞘瘤,占腦神經(jīng)腫瘤的93.1%,占小腦橋腦角區(qū)腫瘤的65.0%~72.2%。發(fā)生年齡多在30~60歲,最年幼者為 (共 2791 字) [閱讀本文] >>