Superior Cava Venous Syndrome (SVCS) encompasses a constellation of signsand symptoms resulting from partial or complete obstruction of blood flow through the superior vena cava (SVC) to the right atrium. Thrombosis can be caused by intrinsic (primary) or extrinsic compression (with or without secondary thrombosis).The causes of SVCS can be grouped according to their etiology in non-neoplastic and neoplastic. The causes malignant correspond to 65-90% of them, thrombosis and nonmalignant conditions are another causes.The presentation may be acute, clinically characterized by dyspnea and a characteristic triad (facial, neck and arms edema, cyanosis and collateral  circulation).Early detection improves prognosis and is based on clinical data and imaging studies.We describe 8 cases where the SVCS was the first manifestation of neoplasticdiseases. Patients were predominantly of middle-aged, male, without association with consumption of tobacco and lymphoma was most frequent diagnosis

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