Pathology Grand Rounds - Flat Urothelial Lesions - When Appearances Can Be Deceiving

At the conclusion of this activity, learners should be able to: *Properly diagnose "flat" urothelial lesions * Incorporate cystoscopic findings and prior findings into interpretation of flat urothelial lesions * Utilize and appropriately interpret ancillary studies to assist with interpretation of atypical urothelial proliferations