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瞬态性诱发性耳声发射（TEOAEs）反映了外毛细胞的电活动特性。听力受损而又存在TEOAEs表明耳蜗功能在外毛细胞水平是正常的，并意味着蜗后病变。为明确有TEOAEs（A组）或无TEOAEs（B组）的听神经瘤患者有何差别，及行保存听力的肿瘤切除术时，术前有TEOAEs（C组）和无TEOAEs（
Transient evoked otoacoustic emissions (TEOAEs) reflect the electrical activity of outer hair cells. Impaired hearing and the presence of TEOAEs indicate that cochlear function is normal at the level of outer hair cells and implies a retrograde lesion. To determine whether TEOAEs (group A) or TEOAEs (group B) were different in patients with acoustic neuroma, and in the preservation of hearing during tumor resection, TEOAEs (group C) and TEOAEs