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3D Extremity imaging in orthopaedic practice

3D extremity CT imaging has changed the way I treat and evaluate patients.

By Dr. Bryan D. Den Hartog, M.D., orthopedic surgeon Twin Cities Orthopedics.

Twin Cities Orthopedics recently installed the CARESTREAM OnSight 3D Extremity System at our clinic in Woodbury, Minnesota. At the American Academy of Orthopaedic Surgeons (AAOS) annual meeting this year (2018), I had the opportunity to share my experience of being an early adopter of this technology with my peers.

Like many orthopaedic surgeons who specialize in foot and ankle, I have several diagnostic challenges:

  • The anatomy of the foot is complex with lots of fine detail.

  • Common deformities, such as pes planus and pes cavus, have several components that need weight-bearing views to evaluate joints.

  • We do a lot of redo surgery and need to understand where pain is coming from: Has the fusion or fracture healed? Is there residual deformity? Can we see broken or loose hardware?

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