Validation of object-induced MR distortion correction for frameless stereotactic neurosurgery

  title={Validation of object-induced MR distortion correction for frameless stereotactic neurosurgery},
  author={David Dean and Janardhan Kamath and Jeffrey L. Duerk and E. Ganz},
  journal={IEEE Transactions on Medical Imaging},
Spatial fidelity is a paramount issue in image guided neurosurgery. Until recently, three-dimensional computed tomography (3D CT) has been the primary modality because it provides fast volume capture with pixel level (1 mm) accuracy. While three-dimensional magnetic resonance (3D MR) images provide superior anatomic information, published image capture protocols are time consuming and result in scanner- and object-induced magnetic field inhomogeneities which raise inaccuracy above pixel size… CONTINUE READING
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