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': '"Bracket Calcification" on Skull X-Ray is seen in – \nSelect and explain. \nA. Tuberous Sclerosis, B. SturgeWebeSyndrome, C. Lipoma of corpus callosum, D. Meningioma', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Bracket calcification is seen in lipoma of the corpus callosum.', 'role': 'assistant'}]