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elasticity imaging techniques

Non-invasive imaging methods based on the mechanical response of an object to a vibrational or impulsive force. It is used for determining the viscoelastic properties of tissue, and thereby differentiating soft from hard inclusions in tissue such as microcalcifications, and some cancer lesions. Most techniques use ultrasound to create the images-eliciting the response with an ultrasonic radiation force and/or recording displacements of the tissue by Doppler ultrasonography.
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Broader Concept:
Entry Terms:
  • elastograms
  • acoustic radiation force impulse imaging
  • elasticity imaging methods
  • elastography
  • sonoelastography
  • vibro-acoustography
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RDF/XMLCreated 2019-02-26, last modified 2019-11-25