Journal of Pathology and Translational Medicine

Case Report

Ipsilateral Synchronous Renal Cell Carcinoma and Transitional Cell Carcinoma: A Case Report.: Ji Young Park, Eun Kyung Kwak, Tae In Park; Korean J Pathol. 2002;36(6):429-432.

Abstract PDF: We report a synchronous renal cell carcinoma (RCC) and renal pelvic transitional cell carcinoma (TCC) in the kidney of a 74-year-old man. The kidney was without hydronephrosis. The patient was admitted to the hospital because he had intermittent gross hematuria for three years. Histologically, a section of the specimen revealed a conventional (clear cell) RCC in renal parenchyma just beneath the renal pelvis and a papillary urothelial carcinoma arising from the renal pelvis at the upper pole; the two are completely separated from one another. The tumor cells of the TCC showed an overexpression of c-MET immunohistochemical staining and more intense positive reactivity for p53 immunohistochemical staining than those of the RCC. These findings suggest that c-Met and p53 may be associated with the development of papillary TCC.

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