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Related Experiment Videos

Transperineal ultrasonic voiding cystourethrography using a newly devised chair.

T Yamashita1, A Ogawa

  • 1Department of Urology, Shinshu University School of Medicine, Matsumoto, Japan.

The Journal of Urology
|September 1, 1991
PubMed
Summary

A new chair for transperineal ultrasonography effectively images male voiding function. This method aids in diagnosing benign prostatic hyperplasia, urethral strictures, and detrusor-sphincter dyssynergia.

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Area of Science:

  • Urology
  • Medical Imaging
  • Diagnostic Technology

Background:

  • Voiding disturbances in men are common.
  • Accurate diagnosis is crucial for effective treatment.
  • Existing imaging methods may have limitations.

Purpose of the Study:

  • To evaluate a novel chair for transperineal sonography.
  • To assess its utility in ultrasonic voiding cystourethrography (UVC).
  • To determine its effectiveness in diagnosing male lower urinary tract diseases.

Main Methods:

  • A new chair for transperineal sonography was developed.
  • 219 male patients and volunteers underwent UVC.
  • Valsalva's maneuver was used during urination to assess bladder neck and urethral function.

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Main Results:

  • Adequate images were obtained in over 80% of subjects.
  • Benign prostatic hyperplasia and bladder neck contracture showed poor bladder neck opening.
  • Urethral stricture correlated with significant bladder neck and posterior urethra opening.
  • Detrusor-sphincter dyssynergia presented as involuntary external sphincter contraction.

Conclusions:

  • The devised chair facilitates effective transperineal sonography for male voiding studies.
  • This UVC method is valuable for screening and differential diagnosis of voiding dysfunctions.
  • It aids in identifying conditions like BPH, urethral strictures, and DSD.