This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Hydrocephalus, Subject name: Pediatrics
Mac Ewan sign is seen in: 
Select and explain. 
A. Hydrocephalus, B. Encephalitis, C. Meningitis, D. Microcephaly
A: Hydrocephalus
Answer: A: Hydrocephalus 
Explanation: - In Hydrocephalus, percussion of the skull might produce a cracked pot sound or Mac Ewen sign, indicating separation of the sutures. - Large head with venous prominences & SETTING SUN SIGN are also seen