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Assessment of necessity of neuronavigation in localization of calvarial extra-axial lesions in the setting of limited resources

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Chinese Neurosurgical Journal 2022年第1期8卷 26-30页

作者： Hussein Soffar Mohamed F.Alsawy Neurosurgery Department Kasr Alainy Faculty of MedicineCairo UniversityAl-Saray StreetEl ManialCairoEgypt

Background:Neuronavigation is a very beneficial tool in modern neurosurgical ***,the neuronavigation is not available in most of the hospitals in our country raising the question about its importance in localizing the calvarial extra-axial lesions and to what extent it is safe to operate without ***:We studied twenty patients with calvarial extra-axial lesions who underwent surgical *** lesions were preoperatively located with both neuronavigation and the usual linear *** methods were compared regarding the time consumed to localize the tumor and the accuracy of each method to anticipate the actual center of the ***:The mean error of distance between the planned center of the tumor and the actual was 6.50±1.762 mm in conventional method,whereas the error was 3.85±1.309 mm in IGS *** more time was consumed during the neuronavigation method including booting,registration,and positioning.A statistically significant difference was found between the mean time passed in the conventional method and IGS method(2.05±0.826,24.90±1.334,respectively),P-value<***:In the setting of limited resources,the linear measurement localization method seems to have an accepted accuracy in the localization of calvarial extra-axial lesions and it saves more time than neuronavigation method.

关键词： Calvarial Extra-axial Meningioma Neuronavigation streotaxy

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