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': "Which of the following is the sign of increased intracranial tension in skull x-ray in an infant? \nSelect and explain. \nA. Separation of the sutures, B. Tense anterior fontanelle, C. Macewen's sign, D. All of the above", 'role': 'user'}, {'content': "Answer: D \nExplanation: In increased intracranial tension (ICT), there is separation of the cranial sutures, wide fontanels and increased head circumference. The Macewen's or crackpot sign indicates raised intracranial pressure after sutures and fontanel have closed. Papilledema is unusual in infant unless the increase in intracranial pressure is very rapid. Ref: Ghai Essential Pediatrics, 6th edition, Page 525.", 'role': 'assistant'}]