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Sierra

• Patient:
  Sierra, 2 yr old spayed female Doberman pinscher.



• Presenting complaint:
  Incontinence with frequent soaking of bed and dribbling after voiding. One bout of E. coli urinary tract infection responded to clavamox. Incontinence continued despite appropriate urinary treatment.



• Diagnostic studies before endoscopy:
  There was no current urinary infection. The referral specialist suspected a pelvic bladder based on ultrasonography.



• Endoscopic procedure:
  Cystoscopy was used to identify both ureters entered normally into the trigonne. There was a epithelialized tag of tissue that originated in the cranial urethra and inserted in the vestibule at the meatus of the urethra. This was resected with a diode laser. Collagen was also injected submucosally.



• Benefits of using endoscopy:
  Cystoscopy provided a diagnosis, although the plan was to rule out ectopic ureters and then inject collagen. Many spayed dogs developed sphincter deficiency incontinence. In this dog, the abnormal tissue may have provided closure problems for the urethra and placed traction on the distal urethra near to the sphincter.



• Clinical result:
  The dog was nearly completely dry two months following resection of the urethral tissue tag.

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