Orthopaedics 7 years old child presents with a lesion in upper tibia. X-ray shows radiolucent area with Codman’s triangle and Sunray appearance. Diagnosis is- A Ewing sarcoma B Osteosarcoma C Osteoid osteoma D Chondrosarcoma 💡 Explanation 7 years old child presents with a lesion in upper tibia. X-ray shows radiolucent area with Codman's triangle and Sunray appearance. Diagnosis is- ✓ Correct Answer: B. Osteosarcoma