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Anatomy Visualization and Interaction

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An overview of the many methods of 3D visualization available for human anatomy.

An overview of the many methods of 3D visualization available for human anatomy.

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    Anatomy Visualization and Interaction Anatomy Visualization and Interaction Presentation Transcript

    • Anatomic visualization and interaction Parvati Dev Innovation in Learning Inc. http://InnovationInLearning.com/
    • Anatomy teaching hours
      • 1950s ……….. ~1,000 hours
      • 1990s ……….. ~180 hours
      • 2007 …………. ~100 hours
      The number of hours of anatomy teaching in the first year of medical school has decreased significantly
    • Survey of US schools - 2002 Survey of Gross Anatomy, Microscopic Anatomy, Neuroscience, and Embryology Courses in Medical School Curricula in the United States RICHARD L. DRAKE,* D.J. LOWRIE, JR, AND CHANTAL M. PREWITT Anat Rec (New Anat) 269:118 –122, 2002.
    • But some schools return to dissection
      • New York University
        • Moved from prosection back to dissection
      • Univ. of California, San Francisco
        • Prosection use was didactic, not interactive
        • Prosections were not cost-effective
        • Many students signed up for dissection elective
      • Univ. of California, Davis
        • New education building had no dissection lab
        • Now that capability is being added
      RICHARD L. DRAKE,* D.J. LOWRIE, JR, AND CHANTAL M. PREWITT Anat Rec (New Anat) 269:118 –122, 2002.
    • Why digital anatomy?
      • Cadaver dissection may not be available
      • To improve the efficiency of dissection lab
      • Any time, any place study
      • Sharing educational resources
      • A resource for use throughout professional life
      • . . . . . .
    • Many CD-ROM resources exist Interactive atlas Interactive textbook Quizzes
    • Visible Human on the Internet VISIBLE HUMAN Entire human body Cross-sectional images
    • Cryosection images By microgrinding teeth and other hard tissue, and photographing the cut surface, a stack of cross-sectional images is created for 3D reconstruction.
    • 3D reconstruction from CT and photographs
    • Reconstructing a cadaver mandible Pixel resolution of CT = 100 microns
    • Combining photo and CT
    • Dissection images - 5 degree rotation views
    • Bassett stereo images 1500 exquisite high resolution stereo pairs of dissection images – originally available in 1950s via View Master – now on the Web
    • Bassett Media Server
    • Stereo video of ongoing dissection
    • Viewing 3D anatomy in stereo graphics Residents observe cadaver dissection in stereo video Physician studies skull abnormalities prior to surgical planning
    • Teaching a distributed class in Ontario, Canada
    • CSIRO Haptic Surgical Workbench - tactile sensing of virtual anatomy
      • Acknowledgements for anatomy images:
        • Tooth and skull images are from Brown and Herbranson
        • Bassett images are from the Bassett Collection, Robert Chase, curator
        • CD-ROM images are from the respective web sites
        • Haptic workbench image is from CSIRO, Canberra, Australia
        • Image resource architecture is from Steven Senger, U.Wisconsin, La Crosse
        • All other images are from the SUMMIT lab, Stanford University