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What Is Your Diagnosis?

Laura C. Venner DVM, MS1, Laura Johnson DVM2, and Megan E. Brown DVM, MS, DACVIM2
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  • 1 College of Veterinary Medicine, The Ohio State, Columbus, OH
  • | 2 Department of Veterinary Clinical Sciences, College of Veterinary Medicine, The Ohio State University, Columbus, OH
History

A 10-year-old 26.5-kg castrated male mixed-breed dog was presented to a veterinary teaching hospital for staging of its urinary bladder transitional cell carcinoma (TCC), which had been diagnosed via cystoscopy and biopsy 16 months prior to presentation. Since diagnosis, the patient had been treated with piroxicam (0.3 mg/kg, PO, q 12 h, discontinued 6 weeks prior to presentation due to azotemia), mitoxantrone (5 mg/m2, IV, q 3 wk for 6 doses), palliative radiation therapy (5 Gy/treatment for 5 treatments), and, at the time of presentation, chlorambucil (4 mg/m2, q 24 h for 6 weeks). Approximately

Contributor Notes

Corresponding author: Dr. Venner (venner.8@osu.edu)

In collaboration with the American College of Veterinary Radiology