Bibliographic Details
| Title: |
Elastography: ultrasonic estimation and imaging of the elastic properties of tissues. |
| Authors: |
Ophir, J1, Alam, S K1, Kallel, F1, Konofagou, E1, Varghese, T1, Garra, B2, Krouskop, T3 |
| Source: |
Proceedings of the Institution of Mechanical Engineers -- Part H -- Journal of Engineering in Medicine (Professional Engineering Publishing). May99, Vol. 213 Issue 3, p203-233. 31p. |
| Subjects: |
Ultrasonic imaging, Tissues |
| Abstract: |
The basic principles of using sonographic techniques for imaging the elastic properties of tissues are described, with particular emphasis on elastography. After some preliminaries that describe some basic tissue stiffness measurements and some contrast transfer limitations of strain images are presented, four types of elastograms are described, which include axial strain, lateral strain, modulus and Poisson's ratio elastograms. The strain filter formalism and its utility in understanding the noise performance of the elastographic process is then given, as well as its use for various image improvements. After discussing some main classes of elastographic artefacts, the paper concludes with recent results of tissue elastography in vitro and in vivo. [ABSTRACT FROM AUTHOR] |
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| Database: |
Engineering Source |
