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Related Concept Videos

Computed Tomography01:10

Computed Tomography

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Tomography refers to imaging by sections. Computed tomography (CT) is a non-invasive imaging technique that uses computers to analyze several cross-sectional X-rays to reveal minute details about structures in the body.
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Imaging Studies III: Computed Tomography01:27

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DefinitionComputed Tomography (CT) of the genitourinary (GU) tract is a non-invasive imaging modality that utilizes X-rays and computer processing to generate detailed cross-sectional images of the urinary system, encompassing the kidneys, ureters, bladder, and adjacent structures such as the adrenal glands.PurposeCT scans of the GU tract serve several diagnostic and therapeutic purposes, including:Diagnosis of Urinary Tract Diseases: Detects kidney stones, tumors, cysts, and congenital...
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Ultrasonography01:17

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Ultrasonography is an imaging technique that uses high-frequency sound waves to visualize the body's internal structures. It is a non-invasive and safe procedure that does not involve the use of ionizing radiation, making it widely used in various medical fields. Ultrasonography is used to study heart function, blood flow in the neck or extremities, certain conditions such as gallbladder disease, and fetal growth and development.
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Ultrasound I: Abdominal Ultrasonography01:20

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Related Experiment Video

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3D Ultrasound Imaging: Fast and Cost-effective Morphometry of Musculoskeletal Tissue
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A single element 3D ultrasound tomography system.

Xiang Zhang, Jonathan Fincke, Andrey Kuzmin

    Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference
    |January 7, 2016
    PubMed
    Summary

    A new 3D ultrasound tomography system offers volumetric imaging for limb prosthetics, bone density, and muscle health. Its flexible design and precise control enable advanced medical imaging applications.

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    Area of Science:

    • Medical Imaging
    • Biomedical Engineering
    • Ultrasound Technology

    Background:

    • Significant advancements in computational power have enabled the realization of complex imaging techniques like ultrasound tomography.
    • Traditional medical imaging methods have limitations in visualizing soft tissue and bone structures in detail.

    Purpose of the Study:

    • To present the design, error analysis, and initial results of a single-element 3D ultrasound tomography system.
    • To enable volumetric imaging of distal limbs for clinical applications such as prosthetic fitting, bone density monitoring, and muscle health characterization.

    Main Methods:

    • A flexible mechanical platform with two independently controlled single-element ultrasound transducers in a cylindrical water tank.
    • High-resolution positioning feedback (~1μm) for precise transmitter and receiver placement, with exchangeable transducers for varied frequencies and beam geometries.
    • High-speed data acquisition using a National Instrument PXI setup for direct streaming to a host PC.

    Main Results:

    • Initial backprojection images demonstrating the system's capability for volumetric imaging.
    • Quantification of system positioning error, which was found to be within acceptable limits for the intended clinical applications.
    • Demonstration of the system's flexibility for iterative algorithm development targeting soft tissue and bone imaging.

    Conclusions:

    • The developed 3D ultrasound tomography system is a viable platform for volumetric imaging of distal limbs.
    • The system's design and performance meet the requirements for applications in prosthetics, bone density, and muscle health assessment.
    • Further development and algorithm refinement hold promise for advancing medical imaging of musculoskeletal structures.