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Breast vibro-acoustography: initial results show promise

Azra Alizad, Dana H Whaley, Matthew W Urban, Rickey E Carter, Randall R Kinnick, James F Greenleaf, Mostafa Fatemi
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

J.-L. Gennisson, T. Deffieux, M. Fink, M. Tanter
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

F.G. Mitri, B.J. Davis, J.F. Greenleaf, M. Fatemi
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

Mohammad Mehrmohammadi, Robert T. Fazzio, Dana H. Whaley, Sandhya Pruthi, Randall R. Kinnick, Mostafa Fatemi, Azra Alizad
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

Lily M. Wang, Jonathan Rathsam, Claus L. Christensen, Jens H. Rindel
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

Armen Sarvazyan, Timothy J. Hall, Matthew W. Urban, Mostafa Fatemi, Salavat R. Aglyamov, Brian S. Garra
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

K J Parker, M M Doyley, D J Rubens
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

K J Parker, M M Doyley, D J Rubens
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]

Elisa E. Konofagou, Caroline Maleke, Jonathan Vappou
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

Lulu Wang
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

Colin Murray Parkes, Rosie Dalzell, Mike Pearson, Martin Newman
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

Matthew W. Urban
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

Douglas M. Dumont, Joshua R. Doherty, Gregg E. Trahey
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

M O'donnell, T Buma, M Spisar
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

Mike D. Menz, Patrick Ye, Kamyar Firouzi, Amin Nikoozadeh, Kim Butts Pauly, Pierre Khuri-Yakub, Stephen A. Baccus
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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