Horizontal shear wave scattering from a nonwelded interface observed by magnetic resonance elastography. Papazoglou, S., Hamhaber, U., Braun, J., & Sack, I. Physics in Medicine and Biology, 52(3):675-684, 2007. cited By (since 1996)10![Horizontal shear wave scattering from a nonwelded interface observed by magnetic resonance elastography [link]](https://bibbase.org/img/filetypes/link.svg "link")
Paper doi abstract bibtex A method based on magnetic resonance elastography is presented that allows measuring the weldedness of interfaces between soft tissue layers. The technique exploits the dependence of shear wave scattering at elastic interfaces on the frequency of vibration. Experiments were performed on gel phantoms including differently welded interfaces. Plane wave excitation parallel to the planar interface with corresponding motion sensitization enabled the observation of only shear-horizontal (SH) wave scattering. Spatio-temporal filtering was applied to calculate scattering coefficients from the amplitudes of the incident, transmitted and reflected SH-waves in the vicinity of the interface. The results illustrate that acoustic wave scattering in soft tissues is largely dependent on the connectivity of interfaces, which is potentially interesting for imaging tissue mechanics in medicine and biology. © 2007 IOP Publishing Ltd.
@article{ Papazoglou2007675,
author = {Papazoglou, S.a and Hamhaber, U.b and Braun, J.b and Sack, I.a },
title = {Horizontal shear wave scattering from a nonwelded interface observed by magnetic resonance elastography},
journal = {Physics in Medicine and Biology},
year = {2007},
volume = {52},
number = {3},
pages = {675-684},
art_number = {010},
note = {cited By (since 1996)10},
url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-34047254676&partnerID=40&md5=1412b4aeb61223fc5e648b378cd71307},
affiliation = {Department of Radiology, Charite University Hospital, Berlin, Germany; Institute of Medical Informatics, Charite University Hospital, Berlin, Germany},
abstract = {A method based on magnetic resonance elastography is presented that allows measuring the weldedness of interfaces between soft tissue layers. The technique exploits the dependence of shear wave scattering at elastic interfaces on the frequency of vibration. Experiments were performed on gel phantoms including differently welded interfaces. Plane wave excitation parallel to the planar interface with corresponding motion sensitization enabled the observation of only shear-horizontal (SH) wave scattering. Spatio-temporal filtering was applied to calculate scattering coefficients from the amplitudes of the incident, transmitted and reflected SH-waves in the vicinity of the interface. The results illustrate that acoustic wave scattering in soft tissues is largely dependent on the connectivity of interfaces, which is potentially interesting for imaging tissue mechanics in medicine and biology. © 2007 IOP Publishing Ltd.},
keywords = {Interfaces (materials); Magnetic resonance; Sensitivity analysis; Shear waves; Tissue; Welding, Elastic interfaces; Phantoms; Shear horizontal (SH) waves; Shear wave scattering, Elastic scattering, amplitude modulation; article; biology; elastography; experimentation; imaging; medicine; methodology; nuclear magnetic resonance; phantom; priority journal; soft tissue},
references = {Aki, K., Richards, P.G., (2002) Quantitative Seismology; Chaisri, S., Krebes, E.S., Exact and approximate formulas for P-SV reflection and transmission coefficients for a nonwelded contact interface (2000) J. Geophys. Res., 105, pp. 28045-28054; Fung, Y.C., (1993) Biomechanics; Hamhaber, U., Sack, I., Papazoglou, S., Rump, J., Klatt, D., Braun, J., Three-dimensional analysis of shear wave propagation observed in vivo magnetic resonance elastography of the brain (2007) Acta Biomater., 3 (1), pp. 127-137; Klatt, D., Asbach, P., Rump, J., Papazoglou, S., Somasundaram, R., Modrow, J., Braun, J., Sack, I., In vivo determination of hepatic stiffness using steady-state free precession magnetic resonance elastography (2006) Invest. Radiol., 41 (12), pp. 841-848; Lerner, R.M., Huang, S.R., Parker, K.J., Sonoelasticity images derived from ultrasound signals in mechanically vibrated tissues (1990) Ultrasound Med. Biol., 16 (3), pp. 231-239; Manduca, A., Lake, D.S., Kruse, S.A., Ehman, R.L., Spatio-temporal directional filtering for improved inversion of MR elastography images (2003) Med. Image Anal., 7 (4), pp. 465-473; Muthupillai, R., Lomas, D.J., Rossman, P.J., Greenleaf, J.F., Manduca, A., Ehman, R.L., Magnetic resonance elastography by direct visualization of propagating acoustic strain waves (1995) Science, 269 (5232), pp. 1854-1857; Park, E., Maniatty, A.M., Shear modulus reconstruction in dynamic elastography: Time harmonic case (2006) Phys. Med. Biol., 51 (15), pp. 3697-3721; Pyrak-Nolte, L.J., Myer, L.R., Cook, N.G.W., Transmission of seismic waves across single natural fractures (1990) J. Geophys. Res., 95 (B6), pp. 8617-8638; Sack, I., Papazoglou, S., Hamhaber, U., Klatt, D., Rump, J., Braun, J., Shear wave scattering in MR elastography: Detection of elasticity interfaces (2005) Proc. Int. Soc. Mag. Reson. Med., 13, p. 615; Sack, I., Rump, J., Papazoglou, S., Klatt, D., Hamhaber, U., Gedat, E., Braun, J., Shear-wave scatter contrast enhancement in steady-state MR elastography (2006) Proc. Int. Soc. Mag. Reson. Med., 14, p. 912; Sandrin, L., Catheline, S., Fink, M., Transient elastography in biological tissues (1999) J. Acoust. Soc. Am., 105 (2), pp. 1014-1015; Schoenberg, M., Elastic wave behavior across linear slip interfaces (1980) J. Acoust. Soc. Am., 68 (5), pp. 1516-1521; Slawinski, R.A., Krebes, E.S., Finite-difference modeling of SH-wave propagation in nonwelded contact media (2002) Geophysics, 67 (5), pp. 1656-1663; Tibikram, K., (2004) Ultrasonic Nondestructive Evaluation; Verweij, M.D., Chapman, C.H., Transmission and reflection of transient elastodynamic waves at a linear slip interface (1997) J. Acoust. Soc. Am., 101 (5), pp. 2473-2484},
correspondence_address1 = {Papazoglou, S.; Department of Radiology, Charite University Hospital, Berlin, Germany},
issn = {00319155},
coden = {PHMBA},
doi = {10.1088/0031-9155/52/3/010},
language = {English},
abbrev_source_title = {Phys. Med. Biol.},
document_type = {Article},
source = {Scopus}
}
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The technique exploits the dependence of shear wave scattering at elastic interfaces on the frequency of vibration. Experiments were performed on gel phantoms including differently welded interfaces. Plane wave excitation parallel to the planar interface with corresponding motion sensitization enabled the observation of only shear-horizontal (SH) wave scattering. Spatio-temporal filtering was applied to calculate scattering coefficients from the amplitudes of the incident, transmitted and reflected SH-waves in the vicinity of the interface. The results illustrate that acoustic wave scattering in soft tissues is largely dependent on the connectivity of interfaces, which is potentially interesting for imaging tissue mechanics in medicine and biology. © 2007 IOP Publishing Ltd. -->\n<!-- </div> -->\n<!-- -->\n\n</div>\n","downloads":0,"abbrev_source_title":"Phys. Med. Biol.","abstract":"A method based on magnetic resonance elastography is presented that allows measuring the weldedness of interfaces between soft tissue layers. The technique exploits the dependence of shear wave scattering at elastic interfaces on the frequency of vibration. Experiments were performed on gel phantoms including differently welded interfaces. Plane wave excitation parallel to the planar interface with corresponding motion sensitization enabled the observation of only shear-horizontal (SH) wave scattering. Spatio-temporal filtering was applied to calculate scattering coefficients from the amplitudes of the incident, transmitted and reflected SH-waves in the vicinity of the interface. The results illustrate that acoustic wave scattering in soft tissues is largely dependent on the connectivity of interfaces, which is potentially interesting for imaging tissue mechanics in medicine and biology. © 2007 IOP Publishing Ltd.","affiliation":"Department of Radiology, Charite University Hospital, Berlin, Germany; Institute of Medical Informatics, Charite University Hospital, Berlin, Germany","art_number":"010","author":["Papazoglou, S.a","Hamhaber, U.b","Braun, J.b","Sack, I.a"],"author_short":["Papazoglou, S.","Hamhaber, U.","Braun, J.","Sack, I."],"bibtex":"@article{ Papazoglou2007675,\n author = {Papazoglou, S.a and Hamhaber, U.b and Braun, J.b and Sack, I.a },\n title = {Horizontal shear wave scattering from a nonwelded interface observed by magnetic resonance elastography},\n journal = {Physics in Medicine and Biology},\n year = {2007},\n volume = {52},\n number = {3},\n pages = {675-684},\n art_number = {010},\n note = {cited By (since 1996)10},\n url = {http://www.scopus.com/inward/record.url?eid=2-s2.0-34047254676&partnerID=40&md5=1412b4aeb61223fc5e648b378cd71307},\n affiliation = {Department of Radiology, Charite University Hospital, Berlin, Germany; Institute of Medical Informatics, Charite University Hospital, Berlin, Germany},\n abstract = {A method based on magnetic resonance elastography is presented that allows measuring the weldedness of interfaces between soft tissue layers. The technique exploits the dependence of shear wave scattering at elastic interfaces on the frequency of vibration. Experiments were performed on gel phantoms including differently welded interfaces. Plane wave excitation parallel to the planar interface with corresponding motion sensitization enabled the observation of only shear-horizontal (SH) wave scattering. Spatio-temporal filtering was applied to calculate scattering coefficients from the amplitudes of the incident, transmitted and reflected SH-waves in the vicinity of the interface. The results illustrate that acoustic wave scattering in soft tissues is largely dependent on the connectivity of interfaces, which is potentially interesting for imaging tissue mechanics in medicine and biology. © 2007 IOP Publishing Ltd.},\n keywords = {Interfaces (materials); Magnetic resonance; Sensitivity analysis; Shear waves; Tissue; Welding, Elastic interfaces; Phantoms; Shear horizontal (SH) waves; Shear wave scattering, Elastic scattering, amplitude modulation; article; biology; elastography; experimentation; imaging; medicine; methodology; nuclear magnetic resonance; phantom; priority journal; soft tissue},\n references = {Aki, K., Richards, P.G., (2002) Quantitative Seismology; Chaisri, S., Krebes, E.S., Exact and approximate formulas for P-SV reflection and transmission coefficients for a nonwelded contact interface (2000) J. Geophys. 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