A 38-year-old man was evaluated for dizziness and exertional chest pain. He had undergone aortic valve replacement (AVR) because of severe aortic regurgitation (AR) three years previously at another hospital. At that time, he was diagnosed with Behçet’s disease and received immunosuppressive therapy including steroid and azathioprine. One year later after AVR, he was found to have paravalvular leakage and severe AR, and redo AVR was performed. Four months later, dehiscence of the prosthetic aortic valve …