Image processing for magnetic-resonance elastography

Armando Manduca; Raja Muthupillai; P. J. Rossman; James F. Greenleaf; Richard L. Ehman

doi:10.1117/12.237965

16 April 1996 Image processing for magnetic-resonance elastography

Armando Manduca; Raja Muthupillai; P. J. Rossman; James F. Greenleaf; Richard L. Ehman

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Proceedings Volume 2710, Medical Imaging 1996: Image Processing; (1996) https://doi.org/10.1117/12.237965
Event: Medical Imaging 1996, 1996, Newport Beach, CA, United States

Abstract

A newly developed magnetic resonance imaging technique can directly visualize propagating acoustic strain waves in tissue-like materials. By estimating the local wavelength of the acoustic wave pattern, quantitative values of shear modulus can be calculated and images generated that depict tissue elasticity or stiffness. Since tumors are significantly stiffer than normal tissue (the basis of their detection by palpation), this technique may have potential for 'palpation by imaging,' with possible application to the detection of tumors in breast, liver, kidney, and prostate. We describe the local wavelength estimation algorithm, study its properties, and show a variety of sample results.

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Armando Manduca, Armando Manduca, Raja Muthupillai, Raja Muthupillai, P. J. Rossman, P. J. Rossman, James F. Greenleaf, James F. Greenleaf, Richard L. Ehman, Richard L. Ehman, } "Image processing for magnetic-resonance elastography", Proc. SPIE 2710, Medical Imaging 1996: Image Processing, (16 April 1996); doi: 10.1117/12.237965; https://doi.org/10.1117/12.237965

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