Orthopaedics A 10-year child presented with a mid tibial swelling which an x-ray revealed a lytic lesion with sclerotic margins. What is the most likely diagnosis? A Eosinophilic granuloma B Osteoid osteoma C Fibrocortical defect D Fibrous dysplasia 💡 Explanation A 10-year child presented with a mid tibial swelling which an x-ray revealed a lytic lesion with sclerotic margins. What is the most likely diagnosis? ✓ Correct Answer: B. Osteoid osteoma