طفل عمره سنتان عنده تقوس الساقين، وتأخر المشي، وتضخم الرسغين. لا يتعرض للشمس. ما الأرجح؟

A 2-year-old has bowed legs, delayed walking and widened wrists, with little sun exposure. What is most likely?

1. Developmental hip dislocation
2. Rickets
3. Cerebral palsy
4. Normal for this age

Answer: B) Rickets. Vitamin D deficiency in children causes rickets: bowed legs, widened wrists and delayed walking, treated with vitamin D, calcium and moderate sun exposure.