low-grade papillary urothelial carcinoma...

Low-grade papillary urothelial carcinoma shows minimal cytologic and architectural atypia. Adjacent papillary fronds may fuse.

In a low-grade papillary urothelial carcinoma, the presence of scattered hyperchromatic nuclei and typical mitotic figures distinguish this lesion from the PUNLMP.

See also

 high-grade papillary urothelial carcinoma