Papillary Cystitis
Section Editor: Dharam M. Ramnani, MD
Virginia Urology, Richmond, VA, USA
Image Description
A single narrow-based papillary frond showing inflammation within the urothelial lining and in the lamina propria. Urothelium shows reactive atypia. There were isolated foci mimicking a urothelial neoplasm but the overall histologic features of the entire lesion were those of papillary cystitis.