7 years old child presents with a lesion in upper tibia. X ray shows radioluscent area with Codmans triangle and Sunray appearance. Diagnosis is
Sunray (sunburst) appearance and Codmans triangle ***typical freatures of Osteosarcoma ***may also be seen in Ewings sarcoma, osteomyelitis onion peel apperacne ***typical feature of Ewings sarcoma ***May also be seen in Osteosarcoma, and osteomyelitis Refer Maheshwari 9th/e p 240.
Ewing sarcoma
Osteosarcoma
Osteoid Osteoma
Chondrosarcoma