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: Ophthalmology
All of the following has HLAB27 associated with uveitis except 
Select and explain. 
A. Ankylosing spondylitis, B. Behcets syndrome, C. Reiters syndrome, D. None of the above
B: Behcets syndrome
Answer: B: Behcets syndrome 
Explanation: Ankylosing spondylitis and Reiters syndrome:

Both involve young males who are positive for HLA-B27.

Behcet's syndrome:

The disease typically affects the young men who are positive for HLA-B51.