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
Which of this is not a sign of increased ICT? Copper beaten appearance 
Select and explain. 
A. Copper beaten appearance, B. Erosion of dorsum sella, C. Ballooning of sella, D. Sutural diastasis
C: Ballooning of sella
Answer: C: Ballooning of sella 
Explanation: Ans. Ballooning of sella