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Related Experiment Videos

Varicocele testis evaluated by CT-scanning

L Lund1, J Hahn-Pedersen, J Hłjhus

  • 1Department of Urology, University of Copenhagen, Denmark.

Scandinavian Journal of Urology and Nephrology
|April 1, 1997
PubMed
Summary
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Computed tomography (CT) scanning effectively detects varicoceles by measuring spermatic cord size. Increased intra-abdominal pressure during the Valsalva maneuver enhances diagnostic accuracy for varicocele detection.

Area of Science:

  • Radiology
  • Urology
  • Medical Imaging

Background:

  • Varicocele is a common cause of male infertility.
  • Accurate diagnosis of varicocele is crucial for effective treatment.
  • Non-invasive imaging techniques are preferred for evaluating scrotal abnormalities.

Purpose of the Study:

  • To assess the utility of computed tomography (CT) scanning in evaluating varicoceles.
  • To determine the changes in spermatic cord dimensions during quiet breathing and Valsalva maneuver.
  • To establish CT criteria for diagnosing varicocele.

Main Methods:

  • Seven male patients with varicocele underwent supine CT scans.
  • Transverse scans were performed during quiet breathing and during a Valsalva maneuver.

Related Experiment Videos

  • Measurements of the spermatic cord's cross-sectional area were recorded.

    • Main Results:

    • Spermatic cord area ranged from 80-100 mm² on normal sides and 100-200 mm² on affected sides during quiet breathing.
    • Valsalva maneuver increased spermatic cord area by 40-80% on normal sides and 100-200% on affected sides.
    • A spermatic cord area >100 mm² (without Valsalva) or >200 mm² (with Valsalva) indicated varicocele.

    Conclusions:

    • CT scanning with Valsalva maneuver is a safe and non-invasive method for detecting varicocele.
    • This technique can visualize the proximal extension of varicocele into the inguinal canal.
    • CT scanning of the spermatic cord is recommended for unexplained groin pain.