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Tissue elasticity reconstruction based on ultrasonic displacement and strain images

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3 Author(s)
Skovoroda, A.R. ; Inst. of Math. Problems of Biol., Acad. of Sci., Pushchino, Russia ; Emelianov, S.Y. ; O'Donnell, M.

A method is presented to reconstruct the elastic modulus of soft tissue based on ultrasonic displacement and strain images. Incompressible and compressible media are considered separately. Problems arising with this method, as well as applications to real measurements on gel-based, tissue equivalent phantoms, are given. Results show that artifacts present in strain images can be greatly reduced using a hybrid reconstruction procedure based on numerical solution of the partial differential equations describing mechanical equilibrium of a deformed medium.<>

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Ultrasonics, Ferroelectrics, and Frequency Control, IEEE Transactions on  (Volume:42 ,  Issue: 4 )