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Lucy

• Patient:
  Lucy, 9 year old female spayed mixed breed dog.



• Presenting complaint:
  Straining to urinate with bloody urine for past 4 months. The stranguria had increased in frequency Lucy also has diabetes mellitus. The second veterinarian, who referred, palpated a vestibule and urethral mass diagnosed as carcinoma.



• Diagnostic studies before endoscopy:
  Hyperglycemia (375 mg/dl versus high normal 120), urinary tract infection with E. coli, and probable spread of carcinoma to right inquinal lymph node.



• Endoscopic procedure:
  Cystoscopy to characterize extent of urethral tumor and obtain biopsies. The tumor was a transitional cell carcinoma. Since there was obstruction over most of the urethral length, a diode laser was used through the biopsy channel of a 2.7 cystoscope to resect and debulk much of the carcinoma. An open urethral channel was produced.



• Benefits of using endoscopy:
  Cystoscopy was minimally invasive, provided a quick and accurate confirmation of the disease, and provided a novel approach to reducing urethral obstruction. It is premature to determine that this will become a useful technique to extend good quality of life for this cancer.



• Clinical result:
  Unfortunately, Lucy quit eating and was bleeding from her vulva three weeks after cystoscopy. This plus the evidence of cancer spread resulted in a decision to euthanize her.

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