The symptoms that result from compression of the large vein that carries blood down to the heart. Currently, svc syndrome is generally due to cancer or thrombotic events. Endovascular treatment of superior vena cava syndrome by percutaneous venoplasty. More than 90% of cases involve malignant conditions, including nonsmallcell lung cancer 50%. Superior vena cava syndrome svcs is a group of symptoms that occur when there is pressure on the superior vena cava, or it is partially blocked and blood cant flow back to the heart normally.
Malignancies primarily lung cancer are the underlying cause of 8085% of cases, leaving 1520% caused by various benign conditions, including sclerosing. The syndrome was originally described as being secondary to an infection, such as tuberculosis, or a syphilitic aortic aneurysm 24. Superior vena cava svc syndrome occurs in approximately 15,000 people in the united states each year. The superior vena cava is the large vein that carries blood from the head, neck, arms and chest to the heart. This poster was originally presented at the seram 2012 meeting, may 2428, in granadaes. The superior vena cava is a large vein that transmits blood from the upper body back to the heart. Mediastinal tumor, superior vena cava, diagnosis, treatment. Bilyeu, md approximately 15,000 cases of superior vena cava svc obstruction are diagnosed in the united states annually. Abstract we studied a 57 yearold patient of black complexion, with swelling of the lower. Superior vena cava syndrome svcs, is a group of symptoms caused by obstruction of the superior vena cava svc, a short, wide vessel carrying circulating blood into the heart. Compression or obstruction of the svc may result from many reasons like masses in the anterior or middle mediastinum, thrombosis in the vein, infectious causes or iatrogenic causes, etc. The majority of cases are caused by malignant tumors within the mediastinum, most commonly lung cancer and nonhodgkins lymphoma, directly compressing or invading the svc wall.
Superior vena cava syndrome due to metastasis from. Dec 27, 2018 compression of the superior vena cava by disease of any of the structures or lymph nodes surrounding the superior vena cava can cause the superior vena cava syndrome. The superior vena cava is located in the middle of the chest and is surrounded by rigid structures and lymph nodes. Superior vena cava syndrome canadian cancer society. Secundaria a fibrosis cambios por iatrogenia, cateteres.
Las venas cavas son las dos venas mayores del cuerpo. Scribd is the worlds largest social reading and publishing site. Vena cava superior izquierda persistente sciencedirect. Lauten a, strauch j, jung c, goebel b, krizanic f, baer fm.
The superior vena cava syndrome is characterized by swelling of the face, neck andor arms with visible widening dilation of the veins of the neck. Superior vena cava svc syndrome is an uncommon situation for urologists. Superior vena cava syndrome new england journal of medicine, 3711142 6. Agenesis of the inferior vena cava associated with lower extremities and pelvic venous thrombosis.