====== Upper cervical spine fracture ====== [[Atlas fracture]] and [[axis fracture]] are complex and surgical management may be difficult and challenging due to the anatomical relationship between the [[vertebra]] and neurovascular structures. The use of a [[navigation]] system based on an [[intraoperative computed tomography]] allows a real-time visualization of the [[vertebra]]e, reducing the risks of [[screw misplacement]] and consequent [[complication]]s ((Costa F, Ortolina A, Attuati L, Cardia A, Tomei M, Riva M, Balzarini L, Fornari M. Management of C1-2 traumatic fractures using an intraoperative 3D imaging-based navigation system. J Neurosurg Spine. 2015 Feb;22(2):128-33. doi: 10.3171/2014.10.SPINE14122. Epub 2014 Nov 21. PubMed PMID: 25415483. )). ===== Classification ===== [[AO Spine Upper Cervical Injury Classification System]].