Type 1 Papillary Renal Cell Carcinoma Presenting as an Infected Benign Renal Cyst: an Uncommon Presentation

Abstract

We describe an unusual presentation of papillary renal cell carcinoma in a 40-year old male where radiological evaluation revealed a Bosniak type 2 cyst (probably benign), and clinical signs as well as symptoms also suggested an infected cyst l. However, on histopathological examination, an intra cystic type 1 papillary renal cell carcinoma was diagnosed. This is an extremely rare presentation of papillary renal cell carcinoma because it usually present as a heterogenous mass. Hence, even the radiologically benign cyst should be evaluated and managed cautiously.

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