model-based reconstructive elasticity imaging using ultrasound

Clicks: 307
ID: 141064
2007
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Abstract
Elasticity imaging is a reconstructive imaging technique where tissue motion in response to mechanical excitation is measured using modern imaging systems, and the estimated displacements are then used to reconstruct the spatial distribution of Young's modulus. Here we present an ultrasound elasticity imaging method that utilizes the model-based technique for Young's modulus reconstruction. Based on the geometry of the imaged object, only one axial component of the strain tensor is used. The numerical implementation of the method is highly efficient because the reconstruction is based on an analytic solution of the forward elastic problem. The model-based approach is illustrated using two potential clinical applications: differentiation of liver hemangioma and staging of deep venous thrombosis. Overall, these studies demonstrate that model-based reconstructive elasticity imaging can be used in applications where the geometry of the object and the surrounding tissue is somewhat known and certain assumptions about the pathology can be made.
Reference Key
aglyamov2007internationalmodel-based Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Salavat R. Aglyamov;Andrei R. Skovoroda;Hua Xie;Kang Kim;Jonathan M. Rubin;Matthew O'Donnell;Thomas W. Wakefield;Daniel Myers;Stanislav Y. Emelianov
Journal Chemistry, an Asian journal
Year 2007
DOI
10.1155/2007/35830
URL
http://dx.doi.org/10.1155/2007/35830
Keywords
medical physics nuclear medicinemedical technology medical radiology

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