J Korean Soc Radiol.  2024 Jan;85(1):222-229. 10.3348/jksr.2023.0076.

Urothelial Carcinoma of the Renal Pelvis with Synchronous Ipsilateral Collecting Duct Carcinoma: Two Case Reports

Affiliations
  • 1Departments of Radiology, Dong-A University College of Medicine, Busan, Korea
  • 2Departments of Patholgy, Dong-A University College of Medicine, Busan, Korea

Abstract

Synchronous renal malignancies are seldom encountered or diagnosed post-renal resection. A combination of renal cell carcinoma (RCC) and urothelial carcinoma (UC) is most commonly reported. Typically, the RCC subtype is clear-cell RCC; however, a combination of collecting duct carcinoma (CDC) and UC has rarely been reported in the existing literature. Here, we present two cases of synchronous renal malignancy, specifically a combination of CDC and UC, in the ipsilateral kidney.

Keyword

Kidney Neoplasms; Collecting Duct Carcinoma; Urothelial Carcinoma; Synchronous Tumor
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