Viscoelasticity Modeling of the Prostate Region Using Vibro-elastography

  • S. E. Salcudean
  • Daniel French
  • S. Bachmann
  • R. Zahiri-Azar
  • X. Wen
  • W. J. Morris
Part of the Lecture Notes in Computer Science book series (LNCS, volume 4190)


We present an ultrasound vibro-elastography system designed to acquire viscoelastic properties of the prostate and peri-prostatic tissue. An excitation stage imparts low-frequency (<20 Hz), limited amplitude (<± 2mm), broadband vibratory motion to an endorectal transducer, along a radial/transversal direction. The induced tissue motion is estimated from ultrasound radio-frequency data and is used to estimate the mechanical frequency response of tissue to the excitation at different spatial locations. This can be used to determine the spatial distribution of various mechanical parameters of tissue, such as stiffness and viscosity. Phantom and in-vivo images are presented. The results obtained demonstrate high phantom and tissue linearity and high signal-to-noise ratio.


Needle Insertion Coherence Function Prostate Cancer Detection Permanent Prostate Brachytherapy Prostate Region 


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Copyright information

© Springer-Verlag Berlin Heidelberg 2006

Authors and Affiliations

  • S. E. Salcudean
    • 1
  • Daniel French
    • 1
  • S. Bachmann
    • 1
  • R. Zahiri-Azar
    • 1
  • X. Wen
    • 1
  • W. J. Morris
    • 2
  1. 1.Department of Electrical and Computer EngineeringUniversity of British ColumbiaCanada
  2. 2.Radiation OncologyBritish Columbia Cancer AgencyCanada

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