An Automated Method to Estimate Femoral Shape and Mineral Mass

Pau, Danilo; Bao, Xinfeng; Masala, Daniele; Gnemmi, Alberto; Entwistle, Rachel; Dragomir-Daescu, Dan

doi:10.2316/p.2012.764-004

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2012

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“…Their models were used for accurate finite element estimation of stiffness and load of the bone. This paper is based on our contribution and presentation to the Biomedical Engineering (BioMed 2012, Feb. [15][16][17]2012) conference [4]. We used an automated process that could be performed with minimal or no human interaction.…”

Section: Introductionmentioning

confidence: 99%

An Automated Method to Estimate Femoral Shape and Mineral Mass

Pau¹,

Masala²,

Bao³

et al. 2012

International Journal of Computational Bioscience

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Medical assessment of bone health often uses quantitative computed tomography (QCT) scans and requires a reliable segmentation of bone geometry from surrounding tissues for a quick determination of bone mineral mass. Because of its shape and position in the body, the femur is one of the most challenging bones to investigate. In the current study, we developed a new automated way to accurately evaluate both the shape and the mineral mass of cadaveric femur.The results were achieved through a series of steps including the segmentation of bone tissue from sets of QCT images, the estimation of the bone's outer surface, the calculation of the volume enclosed, and finally the evaluation of bone mineral mass in a user-defined region. We compared our algorithms outputs to results obtained by expert manual segmentation and those obtained using other published methods.

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Section: Introductionmentioning

confidence: 99%