Accuracy limits for the determination of cortical width and density: the influence of object size and CT imaging parameters.

@article{Prevrhal1999AccuracyLF,
  title={Accuracy limits for the determination of cortical width and density: the influence of object size and CT imaging parameters.},
  author={S Prevrhal and Klaus Engelke and Willi A. Kalender},
  journal={Physics in medicine and biology},
  year={1999},
  volume={44 3},
  pages={751-64}
}
In this study we analysed the accuracy of computed tomography (CT) measurements in assessing cortical bone. We determined the dependency of thickness and density measurements on the true width and density of the cortex and on the spatial resolution in the CT images using two optimized segmentation methods. As a secondary goal, we assessed the ability of CT to reflect small changes in cortical thickness. Two different bone-mimicking phantoms with varying cortical thickness were scanned with… CONTINUE READING

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