Clinical cases

Canine Urothelial Carcinoma: Cytological Features

Cytological signs of canine bladder urothelial carcinoma after traumatic catheterization: malignancy criteria for transitional epithelium.

Veterinary cytology. Urothelial carcinoma (transitional cell carcinoma). A 12-year-old male Yorkshire Terrier with dysuria. The photos show cytological preparations stained with Romanowsky stain.

Traumatic bladder catheterization with diffuse, heterogeneous thickening of the mucous membrane.

Locus: bladder from the mucosal side. During traumatic bladder catheterization, the contents of the catheter (not liquid, not urine, but tissue/cells) were transferred to slides.

👉 Case kindly provided by - Olga Belozerova, clinical pathologist, head of the laboratory at the veterinary clinic “Noah’s Ark”, Kirov.