C-Elastography: In Vitro Feasibility Phantom Study.
C-Elastography: In Vitro Feasibility Phantom Study.
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DOI:
10.1016/j.ultrasmedbio.2020.02.005
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发表时间:
2020-07
影响因子:
2.9
通讯作者:
Fatemi M
中科院分区:
文献类型:
--
作者:
Shahraki DP;Kumar V;Ghavami S;Urban MW;Alizad A;Guzina BB;Fatemi M
C-elastography (CE) is a new ultrasound technique to locally map the nonlinear elasticity of soft tissue using low-frequency (150 – 250 Hz) shear waves generated by the acoustic radiation force (ARF). The CE is based on a recent finding that the magnitude of the ARF in an isotropic tissue-like solid is related linearly to a third-order modulus of elasticity, C, that is responsible for the coupling between deviatoric and volumetric constitutive behaviors. The main objective of this work is to examine the feasibility and performance of C-elastography in differentiating and characterizing soft tissue via a pilot study on ex vivo tissue and tissue-mimicking inclusions cast in a gelatin block. In this vein, the CE technique deploys a combination of ultrasound motion sensing and three-dimensional visco-elastodynamic simulation to estimate the nonlinear modulus C. Since ultrasound focusing inherently confines the ARF to a small region, CE provides the means for measuring C within O(mm3) volumes. Equipped with such data analysis, we performed in vitro CE experiments on agar-based, xenograft, and normal breast tissue samples embedded in a gelatin matrix. The compound C-elastograms indicate marked (and sharp) C-contrast, with the average values of 1.9 and 5.6, at push points inside the featured soft and hard inclusions, respectively.
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影响因子:
5.3
作者:
Dontsov, Egor V.;Guzina, Bojan B.
通讯作者:
Guzina, Bojan B.
影响因子:
2.4
作者:
Gennisson, J. -L.;Renier, M.;Fink, M.
通讯作者:
Fink, M.
DOI:
10.1109/tuffc.2009.1067
发表时间:
2009-03-01
影响因子:
3.6
作者:
Montaldo, Gabriel;Tanter, Mickael;Fink, Mathias
通讯作者:
Fink, Mathias
DOI:
10.1109/tuffc.2004.1320826
发表时间:
2004-05-01
影响因子:
3.6
作者:
Erkamp, RQ;Emelianov, SY;O'Donnell, M
通讯作者:
O'Donnell, M
DOI:
10.1109/t-su.1985.31615
发表时间:
1985-01-01
期刊:
IEEE TRANSACTIONS ON SONICS AND ULTRASONICS
影响因子:
--
作者:
KASAI, C;NAMEKAWA, K;OMOTO, R
通讯作者:
OMOTO, R