Young's modulus imaging based on axial and lateral strain estimation from ultrasound data using a clinical linear probe

Ghada Said; Didier Vray; Herve Liebgott; Elisabeth Brusseau; Olivier Basset

doi:10.1117/12.590385

12 April 2005 Young's modulus imaging based on axial and lateral strain estimation from ultrasound data using a clinical linear probe

Ghada Said, Didier Vray, Herve Liebgott, Elisabeth Brusseau, Olivier Basset

Author Affiliations +

Proceedings Volume 5750, Medical Imaging 2005: Ultrasonic Imaging and Signal Processing; (2005) https://doi.org/10.1117/12.590385
Event: Medical Imaging, 2005, San Diego, California, United States

Abstract

Strain imaging is useful for visualizing information related to tissue stiffness. However, strain is a parameter that depends on the boundary conditions, tissue connectivity and geometry. As a result, tissue hardness cannot be quantitatively evaluated from the strain distribution. Therefore, reconstruction of the elastic modulus (Young's Modulus) distribution has been investigated for quantitative evaluation of tissue hardness. A method has been recently proposed [NITT 00] to calculate locally the Young's modulus of tissues from the estimations of 3D displacement field within the medium. This approach requires a specific annular ultrasonic probe. The aim of our work, based on Nitta's approach, is to build a Young modulus mapping using clinical ultrasonic equipment. Results from finite-element simulations and a physical phantom are presented.

Citation Download Citation

Ghada Said, Didier Vray, Herve Liebgott, Elisabeth Brusseau, and Olivier Basset "Young's modulus imaging based on axial and lateral strain estimation from ultrasound data using a clinical linear probe", Proc. SPIE 5750, Medical Imaging 2005: Ultrasonic Imaging and Signal Processing, (12 April 2005); https://doi.org/10.1117/12.590385

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