Upper urinary tract urothelial carcinoma (UUTUC) is a malignant tumor arising from the urothelial (transitional) epithelial cells lining the renal calyces, renal pelvis, and ureter. UUTUC is estimated to occur in less than 1 in 5 urothelial cancers and less than 1 in 10 renal tumors; however, evidence suggests that the frequency of upper urinary tract cancer is increasing.
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Cite this: Kyle A. Richards. Fast Five Quiz: Upper Urinary Tract Urothelial Carcinoma (UUTUC) - Medscape - Aug 13, 2020.