Ureteral involvement in stage I xanthogranulomatous pyelonephritis--(a case report).

A case of xanthogranulomatous pyelonephritis (Stage-I: Nephric) with ureteral involvement is described. The patient had undergone right nephrectomy with the working diagnosis of calculus pyonephrosis and non-functioning kidney. Histopathological examination of the nephrectomy specimen revealed xanthogranulomatous pyelonephritis confined to the kidney and non-contiguous involvement of ureter. Post-operative recovery was uneventful and there had been no evidence of disease recurrence till one year′s follow-up