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Related Experiment Videos

Quo vadis elasticity imaging?

E E Konofagou1

  • 1Department of Biomedical Engineering, Columbia University, 1210 Amsterdam Avenue, 351 Engineering Terrace, Mail Code 8, New York, NY 10027, USA. ek2191@columbia.edu

Ultrasonics
|March 30, 2004
PubMed
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Elasticity imaging, a complementary technique to ultrasound, visualizes tissue mechanical properties. This advanced method, now clinically applicable in real-time, aids in detecting conditions like tumors and heart disease.

Area of Science:

  • Medical Imaging
  • Biophysics
  • Ultrasound Technology

Background:

  • Elasticity imaging visualizes mechanical properties of tissues, complementing traditional ultrasonic imaging.
  • It leverages differences in tissue mechanical properties and speckle information from ultrasound.
  • Key parameters like strain and elastic modulus can be estimated to identify stiffer tissue masses.

Purpose of the Study:

  • To review the advancements and clinical applicability of elasticity imaging techniques.
  • To highlight the transition of elasticity imaging into routine clinical ultrasound settings.
  • To emphasize its potential contribution to diagnostic ultrasound practices.

Main Methods:

  • Utilizes external or internal mechanical stimuli to assess tissue response.

Related Experiment Videos

  • Employs techniques to estimate parameters such as strain, strain rate, and elastic modulus.
  • Leverages ultrafast algorithms and suitable hardware for real-time elastography.

    • Main Results:

    • Accurate depiction of stiffer tissue masses including tumors, high-intensity focused ultrasound lesions, and atherosclerotic plaques.
    • Real-time elastography (approx. 8 frames/s) is now feasible with hand-held transducers during ultrasound exams.
    • Successful application in imaging myocardium and detecting ischemic regions through deformation monitoring.

    Conclusions:

    • Elasticity imaging is increasingly applicable in clinical settings, particularly for breast and prostate examinations.
    • High frame rates enable cardiac applications, aiding in the detection of myocardial ischemia.
    • This technique promises significant contributions to the future of ultrasound practice.