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Pedicle screw fixation is commonly employed for the surgical correction of scoliosis but carries a risk of serious neurovascular or visceral structure events during screw insertion. To avoid these complications, we have been using a computed tomography (CT)-based navigation system during pedicle screw placement. As this could also prolong operation time, multilevel registration for pedicle screw insertion...
Purpose We developed a new multilevel registration technique for pedicle screw (PS) insertion that has the capability of registering three consecutive vertebrae simultaneously, using a reference frame set to one of the caudal vertebrae. PSs are inserted in the consecutive and adjacent one or two vertebrae. This study aimed to investigate the perforation rates of the registered and unregistered adjacent...
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