Search Results - "Nightingale, K. R."

On the feasibility of remote palpation using acoustic radiation force by Nightingale, K R, Palmeri, M L, Nightingale, R W, Trahey, G E

“…A method of acoustic remote palpation, capable of imaging local variations in the mechanical properties of tissue, is under investigation. In this method,…”
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Acoustic radiation force elasticity imaging in diagnostic ultrasound by Doherty, J. R., Trahey, G. E., Nightingale, K. R., Palmeri, M. L.

“…The development of ultrasound-based elasticity imaging methods has been the focus of intense research activity since the mid-1990s. In characterizing the…”
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Quantifying Hepatic Shear Modulus In Vivo Using Acoustic Radiation Force by Palmeri, M.L, Wang, M.H, Dahl, J.J, Frinkley, K.D, Nightingale, K.R

“…Abstract The speed at which shear waves propagate in tissue can be used to quantify the shear modulus of the tissue. As many groups have shown, shear waves can…”
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Towards advanced welding methods for the ITER vacuum vessel sectors by Jones, L.P., Aubert, P., Avilov, V., Coste, F., Daenner, W., Jokinen, T., Nightingale, K.R., Wykes, M.

“…The problem of joining the International Thermonuclear Experimental Reactor (ITER) vacuum vessel (VV) sectors, considering the tolerance requirements of the…”
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A preliminary evaluation of the effects of primary and secondary radiation forces on acoustic contrast agents by Dayton, P.A., Morgan, K.E., Klibanov, A.L., Brandenburger, G., Nightingale, K.R., Ferrara, K.W.

“…Primary and secondary radiation forces result from pressure gradients in the incident and scattered ultrasonic fields. These forces and their dependence on…”
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The use of acoustic streaming in breast lesion diagnosis: a clinical study by Nightingale, K R, Kornguth, P J, Trahey, G E

“…Results from a clinical study are presented, in which ultrasonically-induced acoustic streaming was successfully used to differentiate fluid-filled lesions…”
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A finite-element method model of soft tissue response to impulsive acoustic radiation force by Palmeri, M.L., Sharma, A.C., Bouchard, R.R., Nightingale, R.W., Nightingale, K.R.

“…Several groups are studying acoustic radiation force and its ability to image the mechanical properties of tissue. Acoustic radiation force impulse (ARFI)…”
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Speckle decorrelation due to two-dimensional flow gradients by Friemel, B.H., Bohs, L.N., Nightingale, K.R., Trahey, G.E.

“…The performance of ultrasonic velocity estimation methods is degraded by speckle decorrelation, the change in received echoes over time. Because ultrasonic…”
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A Finite Element Model of Remote Palpation of Breast Lesions Using Radiation Force: Factors Affecting Tissue Displacement by Nightingale, Kathryn R., Nightingale, Roger W., Palmeri, Mark L., Trahey, Gregg E.

“…The early detection of breast cancer reduces patient mortality. The most common method of breast cancer detection is palpation. However, lesions that lie deep…”
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On the thermal effects associated with radiation force imaging of soft tissue by Palmeri, M.L., Nightingale, K.R.

“…Several laboratories are investigating the use of acoustic radiation force to image the mechanical properties of tissue. Acoustic Radiation Force Impulse…”
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A finite element model for simulating acoustic streaming in cystic breast lesions with experimental validation by Nightingale, K.R., Trahey, G.E.

“…Streaming detection is an ultrasonic technique that can be used to distinguish fluid-filled lesions, or cysts, from solid lesions. With this technique, high…”
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Acoustic radiation force impulse imaging of the mechanical properties of arteries: in vivo and ex vivo results by Trahey, Gregg E, Palmeri, Mark L, Bentley, Rex C, Nightingale, Kathryn R

“…We present results of a pilot study of ex vivo and in vivo acoustic radiation force impulse (ARFI) imaging demonstrating measurements of the mechanical…”
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A novel ultrasonic technique for differentiating cysts from solid lesions: preliminary results in the breast by Nightingale, K R, Kornguth, P J, Walker, W F, McDermott, B A, Trahey, G E

“…The feasibility of a new ultrasonic technique to distinguish cysts from solid lesions is explored. High intensity pulses are used to induce acoustic streaming…”
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Acoustic radiation force impulse imaging of myocardial radiofrequency ablation: initial in vivo results by Fahey, B.J., Nightingale, K.R., McAleavey, S.A., Palmeri, M.L., Wolf, P.D., Trahey, G.E.

“…Acoustic radiation force impulse (ARFI) imaging techniques were used to monitor radiofrequency (RF) ablation of ovine cardiac tissue in vivo. Additionally,…”
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Acoustic radiation force impulse imaging of thermally- and chemically-induced lesions in soft tissues: preliminary ex vivo results by Fahey, Brian J, Nightingale, Kathryn R, Stutz, Deborah L, Trahey, Gregg E

“…The ability of acoustic radiation force impulse (ARFI) imaging to visualize thermally- and chemically-induced lesions in soft tissues was investigated. Lesions…”
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Estimates of echo correlation and measurement bias in acoustic radiation force impulse imaging by McAleavey, S.A., Nightingale, K.R., Trahey, G.E.

“…Acoustic radiation force impulse (ARFI) imaging is a novel imaging modality in which pulses from a diagnostic ultrasound scanner are used to displace tissue…”
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Undergraduate biomedical imaging education by Paschal, Cynthia B, Nightingale, Kathy R, Ropella, Kristina M

“…Biomedical engineers, with their training in the life sciences as well as engineering, mathematics and physical sciences, are uniquely poised to both support…”
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Ultrasonic tracking of acoustic radiation force-induced displacements in homogeneous media by Palmeri, Mark L., McAleavey, Stephen A., Trahey, Gregg E., Nightingale, Kathryn R.

“…The use of ultrasonic methods to track the tissue deformation generated by acoustic radiation force is subject to jitter and displacement underestimation…”
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A parallel tracking method for acoustic radiation force impulse imaging by Dahl, J.J., Pinton, G.F., Palmeri, M.L., Agrawal, V., Nightingale, K.R., Trahey, G.E.

“…Radiation force-based techniques have been developed by several groups for imaging the mechanical properties of tissue. Acoustic radiation force impulse (ARFI)…”
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Dynamic mechanical response of elastic spherical inclusions to impulsive acoustic radiation force excitation by Palmeri, M.L., McAleavey, S.A., Fong, K.L., Trahey, G.E., Nightingale, K.R.

“…Acoustic radiation force impulse imaging has been used clinically to study the dynamic response of lesions relative to their background material to focused,…”
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