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
Tram Track" calcification is seen in: 
Select and explain. 
A. Ependymoma, B. Thrombosed cerebral vein, C. Meningioma, D. Sturge-Weber syndrome
D: Sturge-Weber syndrome
Answer: D: Sturge-Weber syndrome 
Explanation: Sturge-Weber syndrome