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本文对100例由同一术者操作的经迷路扩大进路摘除听神经瘤手术的资料,进行了静脉膨出与脑膜下垂发生情况的分析。51例正常者进路中未见到颞叶脑膜的下垂或侧窦的膨出,术腔深部的颈静脉球-内听道-岩上窦间隙亦较宽。其余49例有前述情况发现。在表浅的侧窦-外耳道-颞叶脑膜间隙正常者的70例中,14例伴颈静脉的隆起;在间隙异常者的30例中,76.6％颞叶脑膜下垂,25％有侧窦膨出,
In this paper, 100 patients operated by the same surgeon who lost the acoustic neuroma operation by the lost route were analyzed, and the occurrence of venous bulging and meningeal prolapse were analyzed. There were no droop or side bulging of the temporal lobe of the temporal lobe in 51 normal subjects. The jugular bulb ball - the internal auditory canal - the petrosal sinus gap in the deep part of the surgical cavity was also wider. The remaining 49 cases were found in the previous situation. Of the 70 cases with superficial lateral sinus - external auditory canal - temporal lobe meninges, 14 cases with jugular veins bulge; in 30 cases with abnormal space, 76.6% had temporal lobe meninges, 25% had sinusoids Out,