This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Emergency Clinical Scenario, Subject name: Medicine
Select the best initial treatment for a patient with Behcet syndrome and ocular involvement 
Select and explain. 
A. Topical glucocoicoids to the oral ulcers and conjunctiva, B. Thalidomide, C. Systemic glucocoicoids and azathioprine, D. Intralesional interferon A
C: Systemic glucocoicoids and azathioprine
Answer: C: Systemic glucocoicoids and azathioprine 
Explanation: Diagnostic Criteria of Behcet's Syndrome Recurrent oral ulceration Plus 2 of the following: Recurrent genital ulceration Ocular lesions Skin lesions Positive Pathergy test Rx: Condition Treatment Lesion in uveal/ oral cavity Topical Steroids CNS/ocular Systemic steroids Serious cases Thalidomide Recent study Apremilast(Phosphodiesterase-4 inhibitor) Mucocutaneous manifestations ,Ahritis Colchicine