This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Radiology
[{'content': 'X-ray shows soap bubble appearance at lower end of radius, treatment of choice is – \nSelect and explain. \nA. Local excision, B. Excision & Bone grafting, C. Amputation, D. RT', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Soap bubble appearance at the lower end of radius suggests the diagnosis of giant cell tumor.\nTwo commonly used procedures for GCT of the distal end of the radius are :-\n\n\nare ended curratage (curratage + cryotherapy + bone graft / cementing)\nWide local excision with the replacement of the excised fragment by bone graft.', 'role': 'assistant'}]