Xanthogranulomatous pyelonephritis--a rare case of fistula between colon and kidney

We report the case of a 63 year old lady with xanthogranulomatous pyelonephritis. The treatment of choice is nephrectomy. At operation a fistula between large bowel and kidney was found requiring bowel resection. This is a rare complication of xanthogranulomatous pyelonephritis.