Pregnancy complicated by superior vena cava thrombosis and pulmonary embolism in a patient with Behcet disease and the use of heparin for treatment.

Behcet disease is a multisystemic vasculitis of unknown origin. Vascular involvement has been considered to result from systemic vasculitis, occurs in 5-10% of these patients. We report a 34-year-old pregnant woman complicated by superior vena cava thrombosis, and pulmonary embolism in a patient with Behcet disease.