This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Radiology
'Tram-track' calcification on skull radiograph is characteristic of 
Select and explain. 
A. Congenital CMV infection, B. Congenital toxoplasmosis, C. Sturge Weber syndrome, D. Craniopharyngioma
C: Sturge Weber syndrome
Answer: C: Sturge Weber syndrome 
Explanation: .