KRT18 as a Novel Biomarker of Urothelial Papilloma While Evaluating Low-Grade Papillary Urothelial Neoplasms: Bi-Center Analysis

Although urothelial papilloma (UP) is an indolent papillary neoplasm that can mimic the morphology of low-grade papillary urothelial carcinoma (PUC), there is no immunomarker to differentiate reliably these two entities. In addition, the molecular characteristics of UP are not fully understood.