Trousseau's syndrome with brachiocephalic vein thrombosis in a patient with uterine carcinosarcoma. A case report.

The authors treated a patient with the previously unreported occurrence of brachiocephalic vein and superior vena cava thrombosis in association with a distantly located cancer. A 71-year-old woman presented with swelling over the right side of the neck and abdominal distension. Physical examination revealed a huge mass, and computed tomography demonstrated thrombosis of the brachiocephalic vein and superior vena cava accompanied by jugular vein dilatation. No coagulation disorder was demonstrable. After anticoagulation and thrombolysis, hysterectomy was performed; microscopic examination of the specimen revealed uterine carcinosarcoma. Even though local tumor obstruction is a much more common cause of neck vein thrombosis, a distant occult cancer can present as this form of Trousseau's syndrome. In patients with otherwise unexplained neck vein thrombosis, examination not only of the head and neck but also of the abdomen and pelvis should be pursued.