目的介绍神经导航系统在手术中的应用和克服脑移位的方法。
Objective To introduce the experience in correcting the reference-point deviation caused by brain-shift during the neuronavigation operation.
目的定量研究不同神经导航手术中的脑移位，评价术中脑移位对神经导航手术定位准确性的影响。
Objective A quantitative analysis of intraoperative brain shift in neuronavigator-guided surgery was performed to evaluate the impact of brain shift on accuracy of neuronavigation.
方法大脑内病变20例，术中在硬脑膜打开前、后用导航仪测出硬脑膜和脑表面标记点的差值，为病变切除前的脑移位量。
Methods During neuronavigated operations of 20 patients with supratentorial cerebral lesions, the amount of brain shift was measured using neuronavigation system.
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