Pathology and staging of urothelial tumors of the kidney and ureter

MR Melamed, VE Reuter - Urologic Clinics of North America, 1993 - Elsevier
Urothelial tumors of the renal pelvis and ureter are relatively rare. It is estimated that they
account for only 5% of the approximately 54,000 tumors of the urinary tract diagnosed
annually in the United States." Williams and Mitchell" report 43 cases of renal pelvic tumor
and 54 cases of ureteral tumor recorded in the Bristol Bladder Tumour Registry over a 20-
year period during which there were 2770 cases of carcinoma of the bladder.
Abeshouse'found only 7 primary ureteral tumors in a combined series of 77,104 autopsies, 1 …