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
First and most prominent radiological sign of raised intra cranial tension in infants and children on plain x- ray 
Select and explain. 
A. Copper beaten appearance, B. Suture diastasis, C. Erosion of dorsum sellae, D. J shaped sella
B: Suture diastasis
Answer: B: Suture diastasis 
Explanation: First & most prominent in infant and children - Suture diastasis.
Cardinal sign of raised ICT in adults - Erosion of dorsum sellae.