Abstract
Error analysis of surgical navigation is extremely important in systems intended for clinical use. Knowledge of the overall clinical accuracy is vital for physicians during the preoperative planning process. Recent results in error analysis give us an idea of the expected impact of fiducial placement on overall clinical error (IEEE Trans. Med. Imaging 17 (1998)). We discuss this impact with respect to an end-to-end system for image-guided spine surgery. We show that fiducial placements have a definite effect on the clinical accuracy of our spine surgery system. Our results agree with the prediction that areas outside of the “bounding box” of fiducials are subject to greater clinical error.
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