This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General pathology, Subject name: Pathology
HLA marker of Behcet's syndrome is? 
Select and explain. 
A. B27, B. DR5, C. B51, D. CW6
C: B51
Answer: C: B51 
Explanation: Robbins and Cotran pathologic basis of disease South Asia edition. *Behcet's syndrome is a small to medium vessel neutrophylic vasculitis characterised by triad of aphthous ulcer,genital ulcer and uveitis.there is association with HLA B51 in paicular.