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Updated: Jul 7, 2026

Magnetic Resonance Elastography Methodology for the Evaluation of Tissue Engineered Construct Growth
12:18

Magnetic Resonance Elastography Methodology for the Evaluation of Tissue Engineered Construct Growth

Published on: February 9, 2012

Fine elasticity imaging utilizing the iterative RF-echo phase matching method.

C Sumi1

  • 1Science and Technology, Sophia University, Tokyo 102-8554, Japan. csumi@kiyoshi.ee.sophia.ac.j

IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control
|February 2, 2008
PubMed
Summary

This study refines a method for non-invasively measuring soft tissue elasticity. The improved technique enhances accuracy and spatial resolution for shear modulus imaging in various tissues.

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Area of Science:

  • Biomedical Engineering
  • Medical Imaging
  • Ultrasound Elastography

Background:

  • Non-invasive quantification of soft tissue elasticity is crucial for medical diagnosis.
  • Previous iterative 2-D rf-echo phase matching methods faced accuracy limitations due to tissue deformation.
  • Accurate shear modulus reconstruction requires precise displacement vector field measurement.

Purpose of the Study:

  • To improve the accuracy and spatial resolution of non-invasive soft tissue elasticity quantification.
  • To address the limitations of previous methods caused by changes in local phase characteristics during deformation.
  • To enhance the iterative 2-D rf-echo phase matching technique for better displacement measurement.

Main Methods:

  • Developed an improved iterative 2-D rf-echo phase matching method.

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Quantifying Intermembrane Distances with Serial Image Dilations
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Quantifying Intermembrane Distances with Serial Image Dilations

Published on: September 28, 2018

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Last Updated: Jul 7, 2026

Magnetic Resonance Elastography Methodology for the Evaluation of Tissue Engineered Construct Growth
12:18

Magnetic Resonance Elastography Methodology for the Evaluation of Tissue Engineered Construct Growth

Published on: February 9, 2012

Quantifying Intermembrane Distances with Serial Image Dilations
07:45

Quantifying Intermembrane Distances with Serial Image Dilations

Published on: September 28, 2018

  • Incorporated a mechanism to use smaller local sizes during iterative phase matching.
  • Reconstructed shear modulus distribution using derived strain data.

    • Main Results:

    • Demonstrated improved accuracy and spatial resolution in simulation, in vitro (pork rib), and in vivo (breast tissue).
    • The refined method allows for more precise determination of displacement vectors.
    • Enhanced ability to measure and reconstruct shear modulus distribution.

    Conclusions:

    • The improved method significantly enhances the accuracy and spatial resolution of shear modulus imaging.
    • This technique shows high potential for application in various soft tissues.
    • Offers a more robust approach for non-invasive elasticity quantification.