Behçet disease

Behçet disease is a disease of incompletely understood aetiopathogenesis characterised by recurrent oral and/or genital aphthous ulcers accompanied by cutaneous, ocular, articular, gastrointestinal, and/or central nervous system inflammatory lesions. Small vessel vasculitis, thrombotic vasculopathy, arteritis and arterial aneurysms may occur. It has a high prevalence from the Eastern Mediterranean across Central Asia to China and Japan.