This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Vasculitic Disorders in Children, Subject name: Pediatrics
Silk Road disease is: 
Select and explain. 
A. Behcet's syndrome, B. Giant cell aeritis, C. Henoch-Schonlein purpura, D. Wegener's granulomatosis
A: Behcet's syndrome
Answer: A: Behcet's syndrome 
Explanation: Behcet disease: high prevalence in countries along the Silk Road, extending from Japan to the eastern Mediterranean characterized by recurrent oral ulcerations, uveitis & skin abnormalities