Pediatrics 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 💡 Explanation The most common cause of renal scarring in a 3 years old child is: ✓ Correct Answer: C. Vesicoureteral reflux induced pyelonephritis