Orthopaedics Patient aged 30 yr presented with swelling around knee Aspirate shows giant cells and mononuclear cells Most likely diagnosis is A Gaint cell tumour B Osteosarcoma C Chondroblastoma D Ewing's sarcoma 💡 Explanation Patient aged 30 yr presented with swelling around knee Aspirate shows giant cells and mononuclear cells Most likely diagnosis is ✓ Correct Answer: A. Gaint cell tumour