Plasmacytoid Urothelial Carcinoma, a Chemosensitive Cancer with Poor Prognosis, and Peritoneal Carcinomatosis

Plasmacytoid urothelial carcinoma is an aggressive subset with overall poor outcomes. Although down staging is seen with neoadjuvant chemotherapy, there are few long-term survivors. There is a strong predilection for recurrence along the peritoneal lining.