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: Pediatrics
[{'content': 'Rail-road calcification in the brain are found characteristically in: \nSelect and explain. \nA. Meningioma, B. Tolosa-Hunt syndrome, C. Sturge-Weber syndrome, D. Tuberculous meningitis', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Sturge-Weber syndrome: This is a vascular anomaly of the skin, choroid of the eye and ipsilateral leptomeninges. The facial po wine stain is distributed in the region of trigeminal nerve. These patients may develop glaucoma and seizures. Rail-road calcification in the occipital and temporal regions is characteristic in skull radiograph. MRI is the most sensitive technique for demonstrating cerebral lesions. Ref: O.P Ghai, 6th Ed, Page 628.', 'role': 'assistant'}]