3-D joint space mapping at the ankle from weight-bearing CT: reproducibility, repeatability, and challenges for standardisation - Takeaways - MDSpire

3-D joint space mapping at the ankle from weight-bearing CT: reproducibility, repeatability, and challenges for standardisation

  • By

  • Tom D. Turmezei

  • Karan Malhotra

  • James W. MacKay

  • Andrew H. Gee

  • Graham M. Treece

  • Kenneth E. S. Poole

  • Matthew J. Welck

  • May 31, 2023

  • 0 min

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  • 1

    Weight-bearing computed tomography (WBCT) enhances imaging of foot and ankle disorders by providing realistic joint space assessments.

  • 2

    Joint space width (JSW) measurements in 3-D are often affected by segmentation performance and imaging resolution.

  • 3

    This study introduces a semi-automated 3-D joint space mapping (JSM) technique for assessing JSW at the ankle using WBCT.

  • 4

    Inter-operator reproducibility and test-retest repeatability of the JSM technique were quantitatively evaluated in a clinical population.

  • 5

    The study included 30 participants, with 23 cases analyzed after excluding those with motion artifacts in imaging.

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