Stones (calculi) are hard masses that form in the urinary tract and may cause pain, bleeding, or an infection or block of the flow of urine.Urinary tract stones begin to form in a kidney and may enlarge in a ureter or the bladder. Depending on where a stone is located, it may be called a kidney stone, ureteral stone, or bladder stone.Urologic cancers include cancers of the bladder, kidney, prostate and testicles, all relatively common.The treatment of urologic cancers, including bladder cancer, is rapidly evolving.Here, urologic oncologic surgeon and kidney stone specialist Donald Hannoun, M.D., an assistant clinical professor in the Division of Urology and Urologic Oncology at City of Hope | Antelope Valley, explains the changes in his field, and explains what urinary stones are and what do patients need to know about them?
