View Full Version : Correlation the HU of CT images to bone density

María Prado Nóvoa
04-09-2003, 03:51 AM
Dear Colleagues,

I am trying to identify the mechanical properties of tibias of deficient knees (OA, TKA, etc). I want to relate their mechanical properties to the wed apparent density of bone, as it's reported in the literature.

For this purpose I am using standard CT data, but I need to correlate the HU of the CT images to the apparent density, therefore I need to calibrate the scanner, specifically for the range of the trabecular bone of the human tibia if it is possible.

Can anybody let me know how can I approach this task?

I know that a bone equivalent calibration phantom is needed, does anybody know how is this phantom? I believe that I can use water and a piece of wed bone; do you know if it is ok? Is it significant where I put the water (glass, plastic.)?

I would appreciate very much any comment about this questions or any other information on the calibration of CT images.

I will post a summary of responses if there is interest.

Thanks for your help,

María Prado
University of Málaga.
E-mail: mpn@uma.es

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