(UroToday.com) Dr. Hamed Ahmadi, Society of Urologic Oncology (SUO) Fellow at the University of Southern California, Los Angeles, California, USA presented “The Role of Blue Light Cystoscopy in Detecting Invasive Bladder Tumors: Data from Multi-institutional Registry.”  While Blue Light cystoscopy (BLC) has a defined role in non-muscle-invasive bladder cancer (NMIBC), with increase detection and decreased recurrence rates, its use for invasive tumors is less well defined.