Non linear elasticity imaging for breast cancer detection

April 5, 2011

Researchers from the Mechanical, Aerospace and Nuclear Engineering, Rensselaer Polytechnic Institute, Troy, NY USA have developed an algorithm that makes use of the elasticity properties of tissues to characterize malignant tumors. They use an ultrasound device and they process the radiofrequency data to reconstruct the linear and non-linear elasticity properties of tissue, by calculating the displacement within the tissue and mapping the spatial distribution with the material properties that would give that displacement. In order to measure the non-elasticity properties, the tissue needs to be deformed up to 20%, which limits the areas of application of this technology. Currently, they are investigating atherosclerosis disease and skin cancer, besides breast.
For more information, please refer to the published article

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