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Acoustic Shadow

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Mathew D. Sorensen – One of the best experts on this subject based on the ideXlab platform.

  • Innovations in Ultrasound Technology in the Management of Kidney Stones.
    Urologic Clinics of North America, 2019
    Co-Authors: Jessica C. Dai, Michael R. Bailey, Mathew D. Sorensen, Jonathan D. Harper

    Abstract:

    : This article reviews new advances in ultrasound technology for urinary stone disease. Recent research to facilitate the diagnosis of nephrolithiasis, including use of the twinkling signal and posterior Acoustic Shadow, have helped to improve the use of ultrasound examination for detecting and sizing renal stones. New therapeutic applications of ultrasound technology for stone disease have emerged, including ultrasonic propulsion to reposition stones and burst wave lithotripsy to fragment stones noninvasively. The safety, efficacy, and evolution of these technologies in phantom, animal, and human studies are reviewed herein. New developments in these rapidly growing areas of ultrasound research are also highlighted.

  • measurement of posterior Acoustic stone Shadow on ultrasound is a learnable skill for inexperienced users to improve accuracy of stone sizing
    Journal of Endourology, 2018
    Co-Authors: Jessica C. Dai, Jonathan D. Harper, Michael R. Bailey, Ziyue Liu, Barbrina Dunmire, Kevan M. Sternberg, Mathew D. Sorensen

    Abstract:

    Abstract Introduction: Studies suggest that the width of the Acoustic Shadow on ultrasound (US) more accurately reflects true stone size than the stone width in US images. We evaluated the need for…

  • Retrospective comparison of measured stone size and posterior Acoustic Shadow width in clinical ultrasound images.
    World journal of urology, 2017
    Co-Authors: Jessica C. Dai, Jonathan D. Harper, Michael R. Bailey, Ziyue Liu, Barbrina Dunmire, Kevan M. Sternberg, Troy Larson, Jeff Thiel, Helena C. Chang, Mathew D. Sorensen

    Abstract:

    Purpose
    Posterior Acoustic Shadow width has been proposed as a more accurate measure of kidney stone size compared to direct measurement of stone width on ultrasound (US). Published data in humans to date have been based on a research using US system. Herein, we compared these two measurements in clinical US images.

Barbrina Dunmire – One of the best experts on this subject based on the ideXlab platform.

  • measurement of posterior Acoustic stone Shadow on ultrasound is a learnable skill for inexperienced users to improve accuracy of stone sizing
    Journal of Endourology, 2018
    Co-Authors: Jessica C. Dai, Jonathan D. Harper, Michael R. Bailey, Ziyue Liu, Barbrina Dunmire, Kevan M. Sternberg, Mathew D. Sorensen

    Abstract:

    Abstract Introduction: Studies suggest that the width of the Acoustic Shadow on ultrasound (US) more accurately reflects true stone size than the stone width in US images. We evaluated the need for…

  • Retrospective comparison of measured stone size and posterior Acoustic Shadow width in clinical ultrasound images.
    World journal of urology, 2017
    Co-Authors: Jessica C. Dai, Jonathan D. Harper, Michael R. Bailey, Ziyue Liu, Barbrina Dunmire, Kevan M. Sternberg, Troy Larson, Jeff Thiel, Helena C. Chang, Mathew D. Sorensen

    Abstract:

    Purpose
    Posterior Acoustic Shadow width has been proposed as a more accurate measure of kidney stone size compared to direct measurement of stone width on ultrasound (US). Published data in humans to date have been based on a research using US system. Herein, we compared these two measurements in clinical US images.

  • use of the Acoustic Shadow width to determine kidney stone size with ultrasound
    The Journal of Urology, 2016
    Co-Authors: Barbrina Dunmire, Jonathan D. Harper, Michael R. Bailey, Franklin Lee, Ziyue Liu, Bryan W. Cunitz, Ryan S. Hsi, Mathew D. Sorensen

    Abstract:

    Purpose: Ultrasound is known to overestimate kidney stone size. We explored measuring the Acoustic Shadow behind kidney stones combined with different ultrasound imaging modalities to improve stone sizing accuracy.Materials and Methods: A total of 45 calcium oxalate monohydrate stones were imaged in vitro at 3 different depths with the 3 different ultrasound imaging modalities of conventional ray line, spatial compound and harmonic imaging. The width of the stone and the width of the Acoustic Shadow were measured by 4 operators blinded to the true size of the stone.Results: Average error between the measured and true stone width was 1.4 ± 0.8 mm, 1.7 ± 0.9 mm, 0.9 ± 0.8 mm for ray line, spatial compound and harmonic imaging, respectively. Average error between the Shadow width and true stone width was 0.2 ± 0.7 mm, 0.4 ± 0.7 mm and 0.0 ± 0.8 mm for ray line, spatial compound and harmonic imaging, respectively. Sizing error based on the stone width worsened with greater depth (p <0.001) while the sizing er...

Jonathan D. Harper – One of the best experts on this subject based on the ideXlab platform.

  • Innovations in Ultrasound Technology in the Management of Kidney Stones.
    Urologic Clinics of North America, 2019
    Co-Authors: Jessica C. Dai, Michael R. Bailey, Mathew D. Sorensen, Jonathan D. Harper

    Abstract:

    : This article reviews new advances in ultrasound technology for urinary stone disease. Recent research to facilitate the diagnosis of nephrolithiasis, including use of the twinkling signal and posterior Acoustic Shadow, have helped to improve the use of ultrasound examination for detecting and sizing renal stones. New therapeutic applications of ultrasound technology for stone disease have emerged, including ultrasonic propulsion to reposition stones and burst wave lithotripsy to fragment stones noninvasively. The safety, efficacy, and evolution of these technologies in phantom, animal, and human studies are reviewed herein. New developments in these rapidly growing areas of ultrasound research are also highlighted.

  • measurement of posterior Acoustic stone Shadow on ultrasound is a learnable skill for inexperienced users to improve accuracy of stone sizing
    Journal of Endourology, 2018
    Co-Authors: Jessica C. Dai, Jonathan D. Harper, Michael R. Bailey, Ziyue Liu, Barbrina Dunmire, Kevan M. Sternberg, Mathew D. Sorensen

    Abstract:

    Abstract Introduction: Studies suggest that the width of the Acoustic Shadow on ultrasound (US) more accurately reflects true stone size than the stone width in US images. We evaluated the need for…

  • Retrospective comparison of measured stone size and posterior Acoustic Shadow width in clinical ultrasound images.
    World journal of urology, 2017
    Co-Authors: Jessica C. Dai, Jonathan D. Harper, Michael R. Bailey, Ziyue Liu, Barbrina Dunmire, Kevan M. Sternberg, Troy Larson, Jeff Thiel, Helena C. Chang, Mathew D. Sorensen

    Abstract:

    Purpose
    Posterior Acoustic Shadow width has been proposed as a more accurate measure of kidney stone size compared to direct measurement of stone width on ultrasound (US). Published data in humans to date have been based on a research using US system. Herein, we compared these two measurements in clinical US images.