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
True statement about hydrocephalus is 
Select and explain. 
A. Macewen sign seen, B. Sun rise sign of eyes is seen, C. Most common cause is Dandy - waler malformation, D. All of the above
A: Macewen sign seen
Answer: A: Macewen sign seen 
Explanation: Hydrocephalus

Most common cause is Aqueductal stenosis
Macewen sign is cracked pot sound produced on percussion of skull in raised intracranical tension.
	"Sun set" sign of eyes seen.