label: Bladder Diverticulum Carcinoma
label_lc: bladder diverticulum carcinoma
description: A carcinoma arising in a bladder diverticulum. Approximately one-third to half of the cases represent non-invasive, low-grade or high-grade urothelial carcinomas. Approximately half of the invasive carcinomas are urothelial. The rest include adenocarcinomas, squamous cell carcinomas, and small cell carcinomas.