Histologic and immunohistochemical characterization and frequency of rare subtypes of canine invasive urothelial carcinoma

Megan P. Corbett, Mohamed Elbadawy, Andrew P. Woodward, John C. Cheville, Hannah Wickham, Hannah F. Nicholson, Michael Catucci, Bryan J. Melvin, Basant Ahmed, Christopher Zdyrski, Lilian J. Oliveira, Elizabeth W. Howerth, Aleksandra Pawlak, Olufemi Fasina, Jonathan P. Mochel, Karin Allenspach

Veterinary Pathology

Published online on March 25, 2026

Abstract

Veterinary Pathology, Ahead of Print.
While most cases of human muscle-invasive bladder cancer (MIBC) are diagnosed as conventional urothelial carcinoma (UC), there is growing recognition of histologic subtypes and divergent differentiation within conventional UC. In this study, 31 dogs with ...