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Related Concept Videos

Ultrasound II: Endoscopic Ultrasound and FibroScan01:25

Ultrasound II: Endoscopic Ultrasound and FibroScan

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Endoscopic Ultrasound (EUS) and FibroScan are valuable diagnostic tools in gastroenterology and hepatology, each with specific applications and techniques.
Endoscopic Ultrasound (EUS):
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Imaging Studies II: Ultrasonography01:24

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IntroductionUltrasonography, or renal ultrasound, is a noninvasive medical imaging technique that uses high-frequency sound waves to visualize the kidneys, ureters, bladder, and surrounding tissues.Indications for Urinary System UltrasonographyUrinary system ultrasonography is indicated in various clinical scenarios, such as:Kidney Stones (Urolithiasis): To detect and monitor the size and presence of kidney or urinary tract stones.Hydronephrosis: To assess the dilation of the renal pelvis and...
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Ultrasound I: Abdominal Ultrasonography01:20

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Related Experiment Video

Updated: Feb 23, 2026

Application of Ultrasound and Shear Wave Elastography Imaging in a Rat Model of NAFLD/NASH
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Lung Ultrasound Surface Wave Elastography: A Pilot Clinical Study.

Xiaoming Zhang, Thomas Osborn, Boran Zhou

    IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control
    |September 4, 2017
    PubMed
    Summary

    Lung ultrasound surface wave elastography (LUSWE) noninvasively measures lung stiffness. This new technique shows significant differences in lung elasticity between healthy individuals and those with interstitial lung disease (ILD).

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    Area of Science:

    • Biomedical Engineering
    • Pulmonology
    • Medical Imaging

    Background:

    • Interstitial lung disease (ILD) stiffens lung tissue, often assessed by radiation-based imaging.
    • Current methods like CT scans carry radiation risks and do not directly measure lung elasticity.
    • Noninvasive techniques are needed to assess lung tissue properties in ILD patients.

    Purpose of the Study:

    • To translate lung ultrasound surface wave elastography (LUSWE) for clinical assessment of ILD.
    • To present pilot data on LUSWE measurements in healthy subjects and ILD patients.
    • To evaluate LUSWE as a noninvasive tool for measuring superficial lung tissue elastic properties.

    Main Methods:

    • LUSWE was applied to measure lung elastic properties in 10 healthy subjects and 10 ILD patients.
    • Measurements were taken across six intercostal spaces in both lungs.
    • Surface wave speed was recorded at 100, 150, and 200 Hz.

    Main Results:

    • Pilot data demonstrated distinct surface wave speed differences between healthy subjects and ILD patients.
    • Example data showed significantly higher wave speeds in ILD patients compared to healthy subjects.
    • LUSWE measurements were found to be safe and nonionizing.

    Conclusions:

    • LUSWE is a safe, noninvasive technique for assessing superficial lung tissue elasticity.
    • The findings suggest LUSWE's potential utility in evaluating and monitoring ILD.
    • Further clinical studies are warranted to validate LUSWE for ILD assessment.