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Related Concept Videos

Imaging Studies III: Computed Tomography01:27

Imaging Studies III: Computed Tomography

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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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Imaging Studies II: Ultrasonography01:24

Imaging Studies II: Ultrasonography

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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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Imaging Studies IV: Magnetic Resonance Imaging01:27

Imaging Studies IV: Magnetic Resonance Imaging

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Introduction:Magnetic Resonance Imaging, or MRI, can include a specialized imaging technique of the urinary system known as Magnetic Resonance Urography (MRU). This radiation-free technique uses strong magnetic fields and radio waves to produce detailed images with the help of a computer. MRU is particularly effective for visualizing fluid-filled structures like the kidneys, ureters, and bladder.Applications of MRI in the Genitourinary SystemKidneys and Ureters: MRI detects tumors, cysts,...
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Related Experiment Video

Updated: Apr 20, 2026

Use of MRI-ultrasound Fusion to Achieve Targeted Prostate Biopsy
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[A three-dimensional transrectal ultrasound imaging system].

Yimin Chen, Jian Qi, Mingyue Ding

    Sheng Wu Yi Xue Gong Cheng Xue Za Zhi = Journal of Biomedical Engineering = Shengwu Yixue Gongchengxue Zazhi
    |December 4, 2014
    PubMed
    Summary

    This study introduces a new 3D transrectal ultrasound (TRUS) system for prostate cancer diagnosis. The system reconstructs 3D prostate images from 2D data, aiding in precise needle biopsies.

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    Area of Science:

    • Medical Imaging
    • Biomedical Engineering
    • Oncology

    Background:

    • Prostate cancer diagnosis often relies on imaging techniques.
    • Transrectal ultrasound (TRUS) provides internal views of the prostate.
    • Limitations exist in traditional 2D ultrasound for comprehensive prostate assessment.

    Purpose of the Study:

    • To develop and evaluate a novel three-dimensional (3D) transrectal ultrasound (TRUS) imaging system.
    • To enhance the diagnostic capabilities for prostate diseases.
    • To create a precise guidance tool for prostate needle biopsies.

    Main Methods:

    • The system integrates hardware (mechanical device, stepper motor, control circuit, B Mode TRUS, PC) and software (microcontroller firmware, PC software).
    • Three-dimensional images are reconstructed from a series of two-dimensional ultrasound data acquired transrectally.
    • Performance was validated using water and agar phantoms.

    Main Results:

    • The developed system successfully demonstrated 3D imaging capabilities.
    • High-precision imaging was achieved in phantom experiments.
    • The system's components and reconstruction methods were validated.

    Conclusions:

    • The presented 3D TRUS imaging system is a viable tool for prostate disease diagnosis.
    • The system offers high-precision imaging, potentially improving prostate needle biopsy guidance.
    • Further clinical evaluation is warranted to confirm its utility in patient care.