Warthin-like papillary renal cell carcinoma: A case report

BACKGROUNDWarthin-like papillary renal cell carcinoma (WPRCC) has been described as a rare pathological subtype of papillary renal cell carcinoma in the 2022 World Health Organization Classification of the Urinary and Male Reproductive System. Herein we report a case of WPRCC in the left kidney. CASE SUMMARYPhysical examination of a previously healthy 47-year-old woman revealed a lump in her left kidney, 4.5 cm x 3.5 cm x 3.5 cm in size. Based on the clinical information, imaging data, histmorphological features, and immunohistochemistry results, the pathological diagnosis was WPRCC in left kidney. CONCLUSIONResection of the mass in the left kidney was performed and her postoperative course was uneventful.