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': "A 14 yr old boy with abnormal movements. MRI shows involvement of bilateral striatum, thalami, puns, centrum semiovale and asymmetrical diffuse white matter involvement. What could be the possible diagnosis? \nSelect and explain. \nA. Wilson's disease, B. Hallevordon spatz disease, C. Nigrostriatal degeneration, D. Parkinsonism", 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. Wilson's disease", 'role': 'assistant'}]