This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Immune system, Subject name: Medicine
Endaeritis obliterans is seen in 
Select and explain. 
A. Marfan's syndrome, B. Turner's syndrome, C. Neurosyphilis, D. Ankylosing spondylitis
C: Neurosyphilis
Answer: C: Neurosyphilis 
Explanation: Ref Davidsons 23e p1125