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Related Experiment Videos

Ureteral duplication and its complications

S K Fernbach1, K A Feinstein, K Spencer

  • 1Department of Radiology, Children's Memorial Hospital, Chicago, IL 60614-3394, USA.

Radiographics : a Review Publication of the Radiological Society of North America, Inc
|January 1, 1997
PubMed
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Ureteral duplication, a common congenital anomaly, presents in complete or incomplete forms with distinct complications. Radiologists must understand these variations and potential imaging pitfalls for accurate diagnosis.

Area of Science:

  • Urology
  • Radiology
  • Pediatric Imaging

Background:

  • Ureteral duplication is a frequent congenital anomaly encountered in radiological practice.
  • It can manifest as complete or incomplete duplication, each associated with specific complications.
  • Understanding these variations is crucial for accurate diagnosis and management.

Purpose of the Study:

  • To review the spectrum of ureteral duplication anomalies.
  • To outline the common complications associated with complete and incomplete duplication.
  • To highlight imaging findings and potential diagnostic challenges.

Main Methods:

  • Review of relevant medical literature on ureteral duplication.
  • Analysis of imaging characteristics and associated pathologies.

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  • Discussion of embryological basis and diagnostic pitfalls.

    • Main Results:

    • Incomplete duplication: associated with ureteroureteral reflux or ureteropelvic junction obstruction (lower pole).
    • Complete duplication: associated with vesicoureteral reflux, ectopic ureterocele, or ectopic ureteral insertion (upper pole), more common in girls.
    • Ureteropelvic junction obstruction (lower pole) is more common in boys.

    Conclusions:

    • Familiarity with ureteral duplication embryology and imaging pitfalls is essential for radiologists.
    • Accurate identification of duplication type and associated complications improves patient outcomes.
    • Awareness of sex-based differences in complication frequency aids diagnosis.