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Related Experiment Videos

Real-time transrectal sonographic voiding cystourethrography.

M Porena, G Vespasiani, G Virgili

    Urology
    |August 1, 1987
    PubMed
    Summary
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    Transrectal ultrasound provides detailed sagittal views of the lower urinary tract, aiding diagnosis. This imaging technique offers excellent visualization for bladder dysfunction and voiding obstructions.

    Area of Science:

    • Urology
    • Medical Imaging
    • Diagnostic Ultrasound

    Background:

    • Conventional imaging methods for lower urinary tract evaluation have limitations.
    • Voiding cystourethrogram (VCUG) is time-limited due to fluoroscopy.
    • Visualizing surrounding soft tissues alongside the urethral lumen is often challenging.

    Purpose of the Study:

    • To evaluate the utility of transrectal ultrasonography for visualizing the bladder base-plate, prostatic urethra, and membranous urethra.
    • To assess the effectiveness of ultrasonographic urodynamics in diagnosing neuromuscular bladder dysfunctions and urinary voiding obstructions.
    • To investigate the visualization of specific conditions like detrusor-sphincter dyssynergia and posterior ledge at the bladder neck.

    Main Methods:

    • Utilized a transrectal linear array transducer to obtain sagittal views.

    Related Experiment Videos

  • Employed ultrasonographic urodynamics for functional assessment.
  • Focused on visualizing the bladder neck, urethra, and surrounding soft tissues without time constraints.

    • Main Results:

    • Achieved images comparable to voiding cystourethrograms.
    • Enabled visualization of both the urethral lumen and surrounding soft tissues.
    • Demonstrated excellent results in diagnosing detrusor-sphincter dyssynergia and posterior ledge at the bladder neck.
    • Clearly visualized the posterior ledge, a cause of sphincterotomy failure in specific cases.

    Conclusions:

    • Transrectal ultrasonography offers a non-time-limited, detailed imaging modality for the lower urinary tract.
    • Ultrasonographic urodynamics is highly effective for diagnosing bladder and voiding dysfunction.
    • This technique provides superior visualization of anatomical abnormalities contributing to voiding issues.