Pathologic varus from disordered endochondral growth of medial proximal tibial physis; early walkers/obesity risk. **Langenskiöld stages I–VI** describe progressive physeal/epiphyseal changes (beaking → depression → physeal bar). Differentiate from physiologic bowing using **metaphyseal–diaphyseal angle** (>11° suggests Blount). Management: **Bracing** in early Stage I–II (
What is the primary cause of Blount's disease?
At what age does Stage I of the Langenskiöld classification typically present?
What characteristic finding distinguishes Blount's disease from physiological bowing?
In which stage of Langenskiöld classification is bracing still considered effective?
Which of the following is a potential management option for Stage I Blount's disease?
What is the primary feature observed in Stage IV of the Langenskiöld classification?
What distinguishes adolescent Blount's disease from the infantile form?
Which surgical intervention is indicated in Stage III of Blount's disease?
What is a common risk factor for both infantile and adolescent forms of Blount's disease?
Which statement is true regarding the Langenskiöld classification?