[Misplacement of a guidewire into the right vertebral vein through the right internal jugular vein under real-time ultrasound guidance in Trousseau syndrome patient--a case report].

Trousseau syndrome is a venous thromboembolic complication found in abdominal cancer patients. A 46-year-old woman diagnosed with and treated for pulmonary embolism due to Trousseau syndrome with a huge ovalian tumor was planned to undergo oophorectomy. She presented with pulmonary hypertension and her inferior vena cava was compressed by the tumor.