What is the typical management difference between physiologic bowing and Blount disease in growing children?

• A. Physiologic bowing resolves by early childhood; Blount disease may require bracing or surgery
• B. Blount disease resolves spontaneously; Physiologic bowing requires bracing
• C. Both require immediate surgical correction
• D. No intervention is needed for either

Answer: (A)

The key idea is distinguishing normal, self-resolving bowing from a pathologic growth disorder of the proximal tibia. Physiologic bowing in growing children is a common, harmless finding that typically improves as the child ages, usually resolving by about ages 2 to 3 years, so the usual approach is reassurance and regular follow-up with no active treatment needed. Blount disease, on the other hand, is a growth disturbance of the proximal tibia that can progress and lead to persistent deformity and limb issues. Management depends on age and severity: early cases may be helped with bracing to slow or halt progression, while more advanced or older children often require surgical correction, such as a tibial osteotomy, to realign the leg.

That combination—physiologic bowing resolving by early childhood, versus Blount disease potentially needing bracing or surgery—best reflects the typical management difference.