Disc calibration for digital templating in hip replacement.

  title={Disc calibration for digital templating in hip replacement.},
  author={Abhay S. Kulkarni and Paul F Partington and Doug Kelly and S{\'e}bastien Muller},
  journal={The Journal of bone and joint surgery. British volume},
  volume={90 12},
Digital radiography is becoming widespread. Accurate pre-operative templating of digital images of the hip traditionally involves positioning a calibration object at its centre. This can be difficult and cause embarrassment. We have devised a method whereby a planar disc placed on the radiographic cassette accounts for the expected magnification. Initial examination of 50 pelvic CT scans showed a mean hip centre distance of 117 mm (79 to 142) above the gluteal skin. Further calculations… CONTINUE READING
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