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作者们总结了59例听神经瘤患者的三叉神经、小脑及视动性眼震术前术后情况。术前角膜和/或面部感觉减退者占所有患者的29%,占肿瘤直径大于40mm患者的53%。无一例三叉神经运动支受累。这是因为感觉神经纤维较运动神经纤维对压力更敏感。角膜感觉较面部感觉更易受累。大部分术前三叉神经受累患者术后功能恢复。7例角膜感觉减退患者中6例恢
The authors summarized the preoperative and postoperative conditions of trigeminal nerve, cerebellum and optokinetic nystagmus in 59 patients with acoustic neuroma. Preoperative corneal and/or facial sensory deficits accounted for 29% of all patients, and accounted for 53% of patients with tumor diameter greater than 40mm. No case of trigeminal motor involvement. This is because sensory nerve fibers are more sensitive to stress than motor nerve fibers. Corneal sensation is more susceptible than facial sensation. Most patients with preoperative trigeminal nerve involvement recovered after surgery. 6 cases of 7 cases of corneal hypoesthesia