Pediatrics All of the following are true about xanthogranulomatous pyelonephritis except – A Proteus is most common organism B Seen only in infancy C It is a form of chronic pyelonephritis D Focal form is common in children 💡 Explanation All of the following are true about xanthogranulomatous pyelonephritis except - ✓ Correct Answer: B. Seen only in infancy