Sindrome veia cava superior pdf

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. Malignancies are the main cause and are considered an oncologic emergency. Appropriate imaging techniques are important to con. Nonsmall cell lung cancer nsclc is the most common malignant cause of svc syndrome, accounting. The syndrome is almost invariably secondary to a malignant process. Superior vena cava syndrome svcs is an uncommon clinical condition 1 and the intensity of clinical manifestations depends on the degree of occlusion or stenosis of the vena cava and on development of collateral circulation, mainly through the azygos vein in most cases 85% it occurs in the presence of malignant diseases, particularly bronchogenic carcinomas. Although the diagnosis is usually easy, elucidation of the etiology is difficult. Sindrome da veia cava superior passo a passo bmj best. A obstrucao da veia cava superior pode ser causada por trombose, compressao extrinseca, invasao direta da veia ou por uma associacao destes fatores.

Media in category superior vena cava syndrome the following 4 files are in this category, out of 4 total. Sindrome da veia cava superior wikipedia, a enciclopedia livre. Superior vena cava svc syndrome is typically dramatic. The treatment of choice is irradiation, but in resistant cases or in those instances in which radiation tolerance is. Superior vena cava svc syndrome is the result of stenosis or occlusion of the svc or bilateral brachiocephalic veins. Embora o diagnostico seja habitualmente facil, todo o esclarecimento sobre esta etiologia e dificil. A veia cava superior vcs drena sangue proveniente da cabeca, pescoco, membros superiores e torax superior, 2 sendo responsavel por aproximadamente do retorno venoso sanguineo ao coracao. Superior vena cava syndrome svcs refers to the clinical syndrome with symptoms that results from this obstruction. The brachiocephalic veins, superior vena cava and azygoshemiazygos system drain the upper extremities and the head and neck.

Pode tambem ser devido a um linfoma, metastase, e, mais. A sindrome da veia cava superior vcs e normalmente uma situacao dramatica. Superior vena cava syndrome svcs is an acute or subacute oncologic emergency with typical clinical features. A 58yearold man presents with a 2week history of progressive dyspnea on exertion, neck swelling, decreased appetite, and fatigue. Superior vena cava syndrome with malignant causes nejm. Superior vena cava svc obstruction can occur from extrinsic compression, intrinsic stenosis, or thrombosis. Sindrome da veia cava superior symptoms, diagnosis and.

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. An intrathoracic malignancy is responsible for 60 to 85 percent of cases of superior vena cava syndrome svc syndrome, and svc obstruction is the presenting symptom of a previously undiagnosed tumor in up to 60 percent of these cases 4,6,7. A radioterapia tem um papel primordial no tratamento paliativo da svcs, obtendo alivio. The syndrome was originally described as being secondary to an infection, such as tuberculosis, or a syphilitic aortic aneurysm 24. Sindrome da veia cava superior dos sintomas ao diagnostico. We present a patient who developed svc syndrome early after transvenous pacemaker implantation and who was.