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Breast vibro-acoustography: initial results show promise
2012
Breast Cancer Research
Vibro-acoustography (VA) is a recently developed imaging modality that is sensitive to the dynamic characteristics of tissue. ...
Results: We collected images from 57 participants: 7 were used for training and 48 for evaluation of diagnostic accuracy (images from 2 participants were excluded because of unexpected imaging artifacts ...
Acknowledgements The authors acknowledge Thomas M Kinter for software support. Work was supported by grant BCTR0504550 from the Susan G Komen Breast Cancer Foundation. ...
doi:10.1186/bcr3323
pmid:23021305
pmcid:PMC4053105
fatcat:f3zecgqfxvhqznpifo6zc77poq
Ultrasound elastography: Principles and techniques
2013
Diagnostic and Interventional Imaging
Several dynamic methods are discussed: vibro-acoustography, Acoustic Radiation Force Impulsion (ARFI), transient elastography, shear wave imaging, etc. ...
Used in clinical practice for more than 40 years, it is highly regarded for its ease of use, real-time capability, portability and low cost. ...
Vibro-acoustography Vibro-acoustography is a dynamic elastography method based on the ultrasound radiation pressure and developed by the American Group of James Greenleaf [5] . ...
doi:10.1016/j.diii.2013.01.022
pmid:23619292
fatcat:purlyb3l6bcrri5g3m45nep4zu
In vitro comparative study of vibro-acoustography versus pulse-echo ultrasound in imaging permanent prostate brachytherapy seeds
2009
Ultrasonics
Vibro-acoustography (VA) is an imaging modality that is capable of imaging solids at any orientation, and the resulting images are speckle free. ...
Conclusion-It is concluded that vibro-acoustography is superior to pulse-echo ultrasound for detection of PPB seeds. ...
Kinnick for technical support and M.W. Urban for helpful comments. This work was supported in part by the National Institute of Health under Grant No. EB 00535-04, Grant No. ...
doi:10.1016/j.ultras.2008.04.008
pmid:18538365
pmcid:PMC2828366
fatcat:drdjqjckhjfv5aeghq2gl4xdoy
Preliminary in Vivo Breast Vibro-acoustography Results with a Quasi-2-D Array Transducer: A Step Forward Toward Clinical Applications
2014
Ultrasound in Medicine and Biology
We call this technique "quasi-2D vibro-acoustography" (Q2DVA). ...
Keywords vibro-acoustography; breast cancer; ultrasound; in vivo; quasi-2D array transducer ...
Urban for their helpful discussions, to Thomas Kinter for computer support, and to Jennifer Milliken for administrative support. ...
doi:10.1016/j.ultrasmedbio.2014.07.005
pmid:25438862
pmcid:PMC4293262
fatcat:elzsyb2tejeijn46xi5t4d5wye
Sound‐pressure level distribution in a long, narrow hallway: Measurements versus results from a computer model with scattering from surface roughness and diffraction
2005
Journal of the Acoustical Society of America
Vibro-acoustography may also be used for imaging solids, such as metallic implants. ...
Image formation theory is presented for multifrequency vibro-acoustography using an annular array transducer. ...
Standard criterion functions for BDC and BSS are reviewed. ...
doi:10.1121/1.4785653
fatcat:vcvuciqds5cztjto3gadvh6rtm
An Overview of Elastography-An Emerging Branch of Medical Imaging
2011
Current Medical Imaging Reviews
We present a classification of elasticity measurement and imaging techniques based on the methods used for generating a stress in the tissue (external mechanical force, internal ultrasound radiation force ...
The measurement method can be performed using differing physical principles including magnetic resonance imaging (MRI), ultrasound imaging, X-ray imaging, optical and acoustic signals.Until recently, EI ...
MWU and MF acknowledge the support of grants R21CA121579, R01CA127235, and P50CA91956 from the NIH. ...
doi:10.2174/157340511798038684
pmid:22308105
pmcid:PMC3269947
fatcat:4a3lmhnbpndstc4t4qmkxki25a
Imaging the elastic properties of tissue: the 20 year perspective
2010
Physics in Medicine and Biology
Biol. 30 321-8 Fatemi M and Greenleaf J F 1998 Ultrasound-stimulated vibro-acoustic spectrography Science 280 82-5 Fatemi M and Greenleaf J F 1999 Vibro-acoustography: an imaging modality based on ultrasound-stimulated ...
Am. 105 2941-50 Chen S, Kinnick R, Greenleaf J F and Fatemi M 2007 Harmonic vibro-acoustography IEEE Trans. Ultrason. Ferroelectr. Freq. ...
The authors are grateful for help from Ben Castenada, PhD, Zhe (Clark) Wu, PhD., and our other superb colleagues and coauthors over the past two decades. ...
doi:10.1088/0031-9155/56/1/r01
pmid:21119234
fatcat:d47jirqjnjf3ln5blhkxwfyddy
Imaging the elastic properties of tissue: the 20 year perspective
2010
Physics in Medicine and Biology
Biol. 30 321-8 Fatemi M and Greenleaf J F 1998 Ultrasound-stimulated vibro-acoustic spectrography Science 280 82-5 Fatemi M and Greenleaf J F 1999 Vibro-acoustography: an imaging modality based on ultrasound-stimulated ...
Am. 105 2941-50 Chen S, Kinnick R, Greenleaf J F and Fatemi M 2007 Harmonic vibro-acoustography IEEE Trans. Ultrason. Ferroelectr. Freq. ...
The authors are grateful for help from Ben Castenada, PhD, Zhe (Clark) Wu, PhD., and our other superb colleagues and coauthors over the past two decades. ...
doi:10.1088/0031-9155/56/2/513
fatcat:3tr654m5l5e7vbuo23lgw5ww24
Harmonic Motion Imaging for Tumor Imaging and Treatment Monitoring
[chapter]
2012
Studies in Mechanobiology, Tissue Engineering and Biomaterials
In this paper, the application of Harmonic Motion Imaging (HMI) for tumor detection based on its stiffness as well as its relevance in thermal treatment is reviewed. ...
Palpation is an established screening procedure for the detection of several superficial cancers including breast, thyroid, prostate, and liver tumors through both self and clinical examinations. ...
The authors also wish to thank Jianwen Luo, PhD from the Ultrasound and Elasticity Imaging Laboratory at Columbia for valuable discussions and Elizabeth Pile-Spellman, MD from the department of radiology ...
doi:10.1007/8415_2012_124
fatcat:k6jox7cdtjagdkqfzxynovwvki
Acoustic Radiation Force Based Ultrasound Elasticity Imaging for Biomedical Applications
2018
Sensors
Ultrasound elasticity imaging (UEI) has been proposed as a promising imaging tool to map the elastic parameters of soft tissues for the clinical diagnosis of various diseases include prostate, liver, breast ...
The mechanical properties of soft tissue, ARF and displacement estimation methods, working principle and implementation instruments for each ARF-based UEI method are discussed. ...
Figure 1 . 1 (a) Diagram of a Vibro-Acoustography (VA) imaging system; (b) The plane wave model for VA beamforming. ...
doi:10.3390/s18072252
pmid:30002352
pmcid:PMC6069000
fatcat:pwubuqnib5dphkjax5gkebkdkq
Seventh International Conference
2005
Bereavement Care
Yazdi, and X. Li, "Elastography: a quantitative method for imaging the Acknowledgements: This study was partially supported by the French National Department of Research and Education. ...
The reconstruction of the mechanical source can also be used as an estimate of the point spread function for designing US beamformer for US imaging, controlling tissue deformation (i.e., elasticity imaging ...
integral for each element. ...
doi:10.1080/02682620508657640
fatcat:hwoqd64zz5b6bkhpyteeazib5u
Production of acoustic radiation force using ultrasound: methods and applications
2018
Expert Review of Medical Devices
The transfer of momentum in acoustic waves can be used in a multitude of ways to perturb tissue and manipulate cells. ...
The content is solely the responsibility of the author and does not necessarily represent the official views of the National Institute of Diabetes and Digestive and Kidney Diseases or the National Institutes ...
measured in the B-mode imaging frame. ...
doi:10.1080/17434440.2018.1538782
pmid:30350736
pmcid:PMC6375512
fatcat:jvyyei3lobhwfh2axxn7ee5lgy
Noninvasive Assessment of Wall-Shear Rate and Vascular Elasticity Using Combined ARFI/SWEI/Spectral Doppler Imaging System
2011
Ultrasonic imaging (Print)
depictions of B-mode echogenicity, ARFI displacements, ARFexcited transverse wave velocity estimates and estimates of wall-shear rate throughout the cardiac cycle. ...
Two novel ARFI based imaging techniques, combined on-axis/off-axis ARFI /Spectral Doppler Imaging (SAD-SWEI) and Gated 2D ARFI/Spectral Doppler Imaging (SAD-Gated), were developed to form co-registered ...
Caterina Gallippi for experimental support and her invaluable advice with regard to flow experimentation. ...
doi:10.1177/016173461103300302
pmid:21842581
pmcid:PMC3266666
fatcat:fnz2carbqjb3vcnrxloqxixgpe
ACOUSTICS IN MEDICINE Optoacoustics: High Frequency Ultrasonic Array Imaging
unpublished
By precisely controlling the position and size of optical generation and detection beams, it is possible to create optoacoustic arrays providing high resolution, 3-D ultrasound imaging at frequencies ranging ...
For our experimental conditions, transmit signal strength scales with the peak power of the generation laser pulse. ...
Hilmo for technical support. Research supported by NIH.
ACKNOWLEDGEMENTS This work was supported by NIH Fogarty, "Universities of Russia" and CRDF. ...
fatcat:75ryngx4nnfebgnvm4wgy3fvky
Radiation force as a physical mechanism for ultrasonic neurostimulation of the ex vivo retina
2019
Journal of Neuroscience
reach deep in the brain with high spatial-temporal resolution, and thus has potential for use in clinical applications and basic studies of the nervous system. ...
We imaged the isolated salamander retina of either sex during ultrasonic stimuli that drive ganglion cell activity and observed micron scale displacements, consistent with radiation force, the nonlinear ...
In comparison, vibro-acoustography generally uses difference frequencies in the range of 20 -100 kHz to mechanically vibrate tissue via dynamic radiation force to measure elasticity (Doherty et al., 2013 ...
doi:10.1523/jneurosci.2394-18.2019
pmid:31196935
pmcid:PMC6687898
fatcat:wgolfu3p65ddxb7wghriz6iywa
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