Implementation and Clinical Trials in the United States

  • MAJ Peter Van GeertruydenEmail author
  • J. Richard Choi
  • LCDR Alex Galifianakis


With any emerging medical imaging technology, there will be those who embrace and attempt to refine a potentially revolutionary modus operandi and those who hesitate to change the status quo. The history of computed tomographic colonography (CTC), also known as virtual colonoscopy, in the United States is no different. From the birth of the concept of “noninvasive, virtual colonoscopy” in 1994 [1], CTC has taken many steps forward and a few steps back on the way to becoming an indisputable alternative to optical colonoscopy for colon cancer screening.


Compute Tomographic Colonography Advanced Adenoma Conventional Colonoscopy Virtual Colonoscopy Optical Colonoscopy 
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Copyright information

© Springer Science+Business Media, LLC 2011

Authors and Affiliations

  • MAJ Peter Van Geertruyden
    • 1
    Email author
  • J. Richard Choi
  • LCDR Alex Galifianakis
  1. 1.Dewitt Army HospitalFort BelvoirUSA

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