Case of the Month

December 2017

The pictured kidney tumor is a “rare bird.” It has a dual cell population and shows characteristic features of emperipolesis and cyclin D1 positivity in large cells.

What is your diagnosis?

A. Papillary renal cell carcinoma type 1

B. MiT family translocational renal cell carcinoma

C. Urothelial carcinoma with squamous differentiation

D. Biphasic papillary renal cell carcinoma

E. Chromophobe renal cell carcinoma with quamous differentiation

Click to register your guess

We will reveal the answer in next month’s issue!

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