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Ureteral diverticula in two dogs

S Jakovljevic1, W G Van Alstine, L G Adams

  • 1Department of Veterinary Clinical Sciences, Purdue University, School of Veterinary Medicine, West Lafayette, IN 47907, USA.

Veterinary Radiology & Ultrasound : the Official Journal of the American College of Veterinary Radiology and the International Veterinary Radiology Association
|October 15, 1998
PubMed
Summary

Ureteral diverticula, characterized by outpouchings in the ureter, were diagnosed radiographically in two dogs. Pathological findings revealed urothelial hyperplasia and cyst formation, mirroring human conditions linked to cancer risk.

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Area of Science:

  • Veterinary Medicine
  • Urology
  • Pathology

Background:

  • Ureteral diverticula are rare congenital or acquired outpouchings of the ureteral wall.
  • Diagnosis in veterinary patients relies heavily on advanced imaging techniques.
  • Human ureteral diverticulosis is associated with an increased risk of urothelial malignancies.

Observation:

  • Two cases of ureteral diverticula in older, small breed, neutered female dogs are presented.
  • Both dogs exhibited a history of chronic urinary obstruction.
  • Radiographic excretory urography revealed multiple ureteral outpouchings, indicative of diverticula.

Findings:

  • Pathological examination confirmed ureteral transitional cell hyperplasia and mucinous metaplasia.
  • Submucosal proliferation of urothelium led to the formation of crypts and small cysts.

Related Experiment Videos

  • Histopathology validated the radiographic diagnosis of ureteral diverticula in both canine patients.

    • Implications:

    • This study highlights the radiographic and pathological features of ureteral diverticula in dogs.
    • The findings suggest a potential parallel with human conditions, warranting further investigation into associated risks.
    • Early diagnosis and understanding of ureteral diverticula are crucial for managing urinary obstruction and potential complications in canine patients.