Integration of Stereoscopic DSA with Three-Dimensional Image Reconstruction for Stereotactic Planning

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Abstract
Following 4 years of experience using a microcomputer-based system for the planning of stereotactic neurosurgery, we have now developed a Workstation with the capability of displaying and analyzing three-dimensional images for this purpose. In addition to viewing volumetrically rendered three-dimensional computer tomograms and magnetic resonance images, we may directly view and analyze stereoscopic digital angio-grams. In addition to each set of images being viewed in isolation, we may also combine the three-dimensional anatomical images with the stereoscopic angiograms. This new system is based on a computer equipped with a light polarization switched screen capable of displaying stereoscopic images directly to the observer, thus permitting him to interact with the three-dimensional volume directly, determining coordinates and position-ing probe trajectories.

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