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 appearance on CT scan of head is seen in: 
Select and explain. 
A. Sturge Weber Syndrome, B. Von Hipple Lindau Syndrome, C. Tuberous sclerosis, D. Neurofibroma
A: Sturge Weber Syndrome
Answer: A: Sturge Weber Syndrome 
Explanation: A i.e. Sturge Weber syndrome