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. Eosinophilic granuloma, B. Sturge weber syndrome, C. Weber Christain syndrome, D. Neurofibroma
B: Sturge weber syndrome
Answer: B: Sturge weber syndrome 
Explanation: Sturge weber syndrome