The most common cause of renal scarring in a 3 years old child is:: (A) Trauma, (B) Tuberculosis, (C) Vesicoureteral reflux induced pyelonephritis, (D) Interstitial nephritis
Answer is C. c. Vesicoureteral reflux induced pyelonephritis(Ref: Nelson's 20/e p 2562-2567Ghai 8/e p 485-486)Most common cause of renal scarring in a child is VUR-induced pyelonephritis.