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' in the brain is seen in: 
Select and explain. 
A. Sturge-Weber syndrome, B. Toxoplasmosis, C. Tuberous sclerosis, D. Syphilis
A: Sturge-Weber syndrome
Answer: A: Sturge-Weber syndrome 
Explanation: Ans. Sturge-Weber syndrome