An Tang1,2,3, Guy Cloutier2,3,4,5, Nikolaus M Szeverenyi6, Claude B Sirlin6. 1. 1 Department of Radiology, Centre Hospitalier de l'Université de Montréal, Montréal, QC, Canada. 2. 2 Centre de Recherche du Centre Hospitalier de l'Université de Montréal, Montréal, QC, Canada. 3. 3 Department of Radiology, Radio-Oncology and Nuclear Medicine, Université de Montréal, Montréal, QC, Canada. 4. 4 Institute of Biomedical Engineering, Université de Montréal, Montréal, QC, Canada. 5. 5 Laboratory of Biorheology and Medical Ultrasonics, Centre hospitalier de l'Université de Montréal, Montréal, QC, Canada. 6. 6 Liver Imaging Group, Department of Radiology, University of California San Diego, 408 Dickinson St, San Diego, CA 92103-8226.
Abstract
OBJECTIVE: The purpose of this article is to provide an overview of ultrasound and MR elastography, including a glossary of relevant terminology, a classification of elastography techniques, and a discussion of their respective strengths and limitations. CONCLUSION: Elastography is an emerging technique for the noninvasive assessment of mechanical tissue properties. These techniques report metrics related to tissue stiffness, such as shear-wave speed, magnitude of the complex shear modulus, and the Young modulus.
OBJECTIVE: The purpose of this article is to provide an overview of ultrasound and MR elastography, including a glossary of relevant terminology, a classification of elastography techniques, and a discussion of their respective strengths and limitations. CONCLUSION: Elastography is an emerging technique for the noninvasive assessment of mechanical tissue properties. These techniques report metrics related to tissue stiffness, such as shear-wave speed, magnitude of the complex shear modulus, and the Young modulus.
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