This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Skeletal system, Subject name: Radiology
[{'content': "Splaying and cupping of the metaphysis is seen in - \nSelect and explain. \nA. Rickets, B. Scurvy, C. Paget's disease, D. Lead poisoning", 'role': 'user'}, {'content': 'Answer: A \nExplanation: Radiological findings in rickets : cupping of metaphysis splaying of metaphysis Fraying of metaphysis widening of growth plate widening of epiphysis coical thining generalised osteopenia Triradiate pelvis', 'role': 'assistant'}]