Renal pelvic and ureteral wall thickening in renal cell carcinoma: prevalence, cause, and clinical significance

Purpose This study was performed to characterize renal pelvic and ureteral wall thickening (PUWT) in renal cell carcinoma (RCC) patients, including prevalence, cause, and detailed radiological findings based on contrast-enhanced CT, and to correlate these features with corresponding pathological findings.