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 the following is not a radiological feature of meningioma? 
Select and explain. 
A. Lamellar calcification, B. Enlarged foramen spinosum, C. Increased meningeal vascular markings, D. Decalcification inner table
D: Decalcification inner table
Answer: D: Decalcification inner table 
Explanation: Ans. Decalcification inner table