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Methods for quantitative characterization of bone injury from computed-tomography images
Author(s): Pablo Hernandez-Cerdan; Beatriz Paniagua; Jack Prothero; J. S. Marron; Eric Livingston; Ted Bateman; Matthew McCormick
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Paper Abstract

Computed tomography (CT) images can potentially provide insights into bone structure for diagnosis of disorders and diseases. However, evaluation of trabecular bone structure and whole bone shape is often qualitative or semiquantitative. This limits inter-study comparisons and the ability to detect subtle bone quality variations during early disease onset or in response to new treatments. In this work, we enable quantitative characterization of bone diseases through bone morphometry, texture analysis, and shape analysis methods. The potential of our analysis methods to identify the impact of hemophilia is validated in a mouse femur wound model. In our results, shape localizes and characterizes the formation of spurious bone, and our texture and bone morphometry analysis results provide extra information about the composition of that bone. Some of our one-dimensional (1D) textural features were able to significantly differentiate our injured femurs from our healthy femurs, even with this small sample size demonstrating the potential of the proposed analysis framework. While trabecular bone morphometrics have been a pillar in 3D microCT bone research for decades, the proposed analysis framework augments how we define and understand phenotypical presentation of bone disease. The contributed open source software is exposed to the medical image analysis community through 3D Slicer extensions to ensure both robustness and reproducibility.

Paper Details

Date Published: 15 March 2019
PDF: 7 pages
Proc. SPIE 10953, Medical Imaging 2019: Biomedical Applications in Molecular, Structural, and Functional Imaging, 1095316 (15 March 2019); doi: 10.1117/12.2513007
Show Author Affiliations
Pablo Hernandez-Cerdan, Kitware, Inc. (United States)
Beatriz Paniagua, Kitware, Inc. (United States)
Jack Prothero, The Univ. of North Carolina at Chapel Hill (United States)
J. S. Marron, The Univ. of North Carolina at Chapel Hill (United States)
Eric Livingston, The Univ. of North Carolina at Chapel Hill (United States)
Ted Bateman, The Univ. of North Carolina at Chapel Hill (United States)
Matthew McCormick, Kitware, Inc. (United States)


Published in SPIE Proceedings Vol. 10953:
Medical Imaging 2019: Biomedical Applications in Molecular, Structural, and Functional Imaging
Barjor Gimi; Andrzej Krol, Editor(s)

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