Image processing for magnetic resonance elastography

A. Manduca, R. Muthupillai, P. J. Rossman, J. F. Greenleaf, R. L. Ehman

Research output: Contribution to journalConference articlepeer-review

76 Scopus citations


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.

Original languageEnglish (US)
Pages (from-to)616-623
Number of pages8
JournalProceedings of SPIE - The International Society for Optical Engineering
StatePublished - 1996
EventMedical Imaging 1996 Image Processing - Newport Beach, CA, United States
Duration: Feb 12 1996Feb 15 1996


  • Image processing
  • Local frequency estimation
  • MR elastography
  • Palpation
  • Shear waves
  • Strain imaging
  • Tissue elasticity
  • Tumor detection
  • Wave propagation

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering


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