A 12-year-old spayed female Maltese dog was presented due to 4 months history of hematuria and pollakiuria. Based on the cytology, radiology, urethral transitional cell carcinoma (TCC) was diagnosed. No metastasis and invasion to adjacent organ was revealed at the first presentation and the dog was treated with piroxicam. Erosion and plaque-like mass were noted at right inner thigh (256 days after first presentation) and confirmed as unusual cutaneous metastasis of urethral TCC by post-mortem and histopathological findings.

Key words: Cutaneous metastasis, Dog, Piroxicam, Urethral transitional cell carcinoma