Pediatrics The most common cause of Renal scarring in a 3 year old child is A Trauma B Tuberculosis C Vesicoureteral reflux induced pyelonephritis D Interstitial nephritis 💡 Explanation The most common cause of Renal scarring in a 3 year old child is ✓ Correct Answer: C. Vesicoureteral reflux induced pyelonephritis