Mahmoud Alsayed Yousif <br/><br/>
Usefulness of sping navigation in transpedicular screw placement versus the conventional surgery /  
 مقارنة جدوى استخدام الملاح الجراحى في تركيب مسامير عنق الفقرات بالجراحة التقليدية 
Mahmoud Alsayed Yousif ; Supervised Mostafa Wagih Kotb , Helmy Abdelhaliem Eldesouky , Sherif Gamal Eldeen Almekkawy 
 - Cairo :   Mahmoud Alsayed Yousif ,   2012 
 - 168 P. :   facsimiles ;   25cm 
<br/><br/>Thesis (Ph.D.) - Cairo University - Faculty of Medicine - Department of Neurosurgery 
<br/><br/> The study aims at comparing the screw placement using the navigation and conventional free hand technique. The study is based on the radiological and clinical follow up of 20 patients indicated for fixation with different pathologies for 6 months to detect the clinical, radiological and functional outcomes 
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<br/><br/><label>Subjects--Index Terms: </label>Free hand technique Neuronavigation Transpedicular screws