Simultaneous occurrence of transitional cell carcinoma and renal cell carcinoma in the same kidney: a case report and review of the litera- ture

摘要

This article reports a case of simultaneous occurrence of 2 primary renal tumors of different histology, a transitional cell carcinoma and a renal cell carcinoma, in the same kidney. The histological, immunohistochemical and ultrastructural changes of the tumors were described. A review of the literature to date revealed this care to be rare, only 24 other cases were reprotedpreviusly.