In a multinational prospective study, preoperative, intraoperative, perioperative and follow-up data on patients receiving thoracolumbar pedicle screw placement for degenerative disease or infections or tumors will be collected. The three arms consist of robot-guided (RG), navigated (NV), or freehand (FH) screw insertion.
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Revision Surgery for a Malpositioned Pedicle Screw
Timeframe: 12 months