Ulnar artery aneurysm in a patient with Behçet's disease.

Behçet's disease is a systemic disease characterized by oral aphthosis, genital ulcers, ocular lesions, gastrointestinal, musculoskeletal, neurological and major vessel involvement. Arterial involvement, aneurysms and arterial thrombosis have been reported in 1.5-3% of patients. In this case report, we present a patient with ulnar arterial aneurysm associated with Behçet's disease.