Abstract
Background: Mediastinal venous malformation (MVM) and fusiform superior vena cava aneurysm (F-SVCA) are both rare congenital vascular anomalies.
Case Presentation: A 46-year-old male presented with acute ischemic stroke of unknown etiology. Computed tomography (CT) angiography revealed the coexistence of MVM and F-SVCA. Diagnostic venography demonstrated a significant reduction in blood flow velocity within the F-SVCA, but failed to identify a direct connection to the left heart system or pulmonary vein. The patient expired due to extensive brain damage caused by a stroke.
Conclusion: This case may increase the necessity of meticulous radiological evaluation and preventive management for these anomalies, as mediastinal vascular anomalies can result in thromboembolic complications.
Keywords: Vascular malformations, Aneurysm, Superior vena cava, Mediastinum, Ischemic Stroke, Veins.
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