Superior vena cava occlusion caused by Behçet disease.

This case report described a patient of Behçet disease (BD)-related vascular lesions that initially presented as occlusion of superior vena cava (SVC) without any evidence of thrombosis. The patient was treated first by percutaneous transluminal angioplasty and stent implantation, and he developed thrombosis in the stent and then received open bypass operation. Pathologic examination of the SVC specimen and the postoperative manifestations revealed that the underlying cause of his symptoms as BD. Afterward, methylprednisolone plus anticoagulant therapy was routinely given, which relieved the symptoms of the patient.