Behcet's syndrome can reasonably be considered a unique entity among diseases of the immune system for several reasons: It has specific features and, uniquely among the immune system pathologies, represents a link between autoimmune diseases, systemic vasculitis, and autoinflammatory diseases. In addition, it is of interest to a variety of specialists, including immunologists, rheumatologists, dermatologists, and ophthalmologists, and requires a complex multidisciplinary approach. Many aspects need to be considered in a syndrome that presents a wide spectrum of symptoms and for which the...