Xanthogranulomatous Pyelonephritis with Incomplete Double Ureter

Xanthogranulomatous Pyelonephritis with Incomplete Double Ureter

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Introduction.Xanthogranulomatous pyelonephritis (XGP) is a type of chronic renal inflammation that usually occurs in immunocompromised middle-aged women with chronic urinary tract infection or ureteral obstruction induced by the formation of ureteral stones.XGP with an incomplete double ureter is extremely rare.Case Presentation.A 12n/1200 wella 76-year-old woman was referred to our department to undergo further examination for a left renal tumor that was detected by ultrasonography.

Dynamic contrast computed tomography (CT) revealed an enhanced tumor in the upper renal parenchyma.Laparoscopic radical nephrectomy was performed based on a preoperative diagnosis of renal cell carcinoma.Histological sections showed the aggregation of foam cells; thus, XGP was diagnosed.Conclusion.We herein report a rare case of XGP in the upper pole of the kidney, which might have here been associated with an incomplete double ureter.