Behcet's disease is associated with increased concentrations of antibodies against phosphatidylserine and ribosomal phosphoproteins.

Background: Although Behcet's disease (BD) is classified among the vasculitides laboratory diagnostic does not include regularly autoantibodies associated with vascular manifestations of systemic autoimmune diseases.

Patients And Methods: Twelve consecutive BD patients were studied for autoantibodies associated with vascular manifestations of systemic autoimmune diseases, HLA frequencies, and possible neurological involvement using neurophysiological methods and MRI.

Results: HLA-C*15 and C*16 frequencies were significantly (p < 0.