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: Orthopaedics
[{'content': "True about paget's disease -a) Common in young girl 10-16 yr of ageb) ↑ALPc) Associated with hypercalcemia & hypophosphatemiad) More common in femalee) Associated with chondrosarcoma \nSelect and explain. \nA. ab, B. ad, C. be, D. ce", 'role': 'user'}, {'content': "Answer: C \nExplanation: Paget's disease occurs after 40 years of age and is more common in males.\nAlkaline phosphatase (ALP) is raised and calcium & phosphate are normal.\nThe usual malignancy complicating Paget's disease is osteosarcoma. There are some reports of cases of chondrosarcoma as a complication of Paget's disease.", 'role': 'assistant'}]