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MR Navigated Breast Surgery: Method and Initial Clinical Experience

  • Timothy Carter
  • Christine Tanner
  • Nicolas Beechey-Newman
  • Dean Barratt
  • David Hawkes
Part of the Lecture Notes in Computer Science book series (LNCS, volume 5242)

Abstract

3D dynamic contrast enhanced magnetic resonance (MR) images may help to reduce the high re-excision rate associated with breast conserving surgery. However these images are acquired prone, whilst surgery is performed supine which results in a large deformation that limits their usefulness. We describe here a registration technique based on a biomechanical model to account for soft tissue deformation between prone MR imaging and surgery. The accuracies of the individual registration steps are assessed off-line. We then report our first clinical experience with an image-guided surgery system which incorporates these algorithms. The system’s accuracy is assessed against tracked ultrasound images, and is determined to be around 5mm for this case.

Keywords

Fiducial Marker Stereo Camera Registration Technique Initial Clinical Experience Supine Image 
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-Verlag Berlin Heidelberg 2008

Authors and Affiliations

  • Timothy Carter
    • 1
  • Christine Tanner
    • 1
  • Nicolas Beechey-Newman
    • 2
  • Dean Barratt
    • 1
  • David Hawkes
    • 1
  1. 1.Centre for Medical Image ComputingUniversity College LondonUK
  2. 2.Hedley Atkins Breast UnitGuy’s HospitalLondonUK

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