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CT-Guided Interventions: Current Practice and Future Directions

  • Rajiv GuptaEmail author
  • Conor Walsh
  • Irene S. Wang
  • Marc Kachelrieß
  • Jan Kuntz
  • Sönke Bartling
Chapter

Abstract

Computed tomography (CT) plays an important role in interventional procedures such as biopsy, abscess drainage, tumor ablation, catheter placement, and orthopedic instrumentation. All these procedures involve precise incremental advancement of a needle or a probe. This chapter reviews the current state of the art and advanced applications of CT in interventional procedures, including the use of C-arm CT, multi-detector CT, and ultrahigh-resolution flat-panel CT. Interventional capabilities of C-arm CT, which combines the advantages of a digital flat-panel detector with the versatility of a C-arm, are described. Ultrahigh-resolution flat-panel CT, another technology-based flat-panel detector, is also described. Recent development of portable CT not only provides on-site imaging for critically ill patients; it also enables faster response to imaging requests and increased productivity of the care team. The new advancements covered by this chapter introduce robot-assisted image-guided interventions. The current CT-guided intervention only provides 3D data in a discontinuous, manipulate, and rescan fashion. A new paradigm for real-time 4D imaging, which could play an important role in intervention guidance in the near future, is described and illustrated with the help of examples.

Keywords

Compute Tomography Guidance Entrance Skin Dose Stapes Prosthesis Dynamic Compute Tomography Scanning Portable Compute Tomography 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media New York 2014

Authors and Affiliations

  • Rajiv Gupta
    • 1
    Email author
  • Conor Walsh
    • 2
  • Irene S. Wang
    • 1
  • Marc Kachelrieß
    • 3
  • Jan Kuntz
    • 3
  • Sönke Bartling
    • 3
  1. 1.Department of RadiologyMassachusetts General Hospital and Harvard Medical SchoolBostonUSA
  2. 2.School of Engineering and Applied Sciences, Wyss Institute for Biologically Inspired EngineeringHarvard UniversityBostonUSA
  3. 3.Department of Medical Physics in RadiologyGerman Cancer Research CenterHeidelbergGermany

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