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The Annals of Thoracic Surgery, Vol 20, 344-359, Copyright © 1975 by The Society of Thoracic Surgeons

ARTICLES

Superior vena cava obstruction: a review of the literature and report of 2 cases due to benign intrathoracic tumors

MN Gomes and CA Hufnagel

A review of the literature shows an increaseing number of cases of superior vena cava obstruction associated with malignancy and a marked decrease in the number of patients with caval obstruction of benign origin. In contrast to granulomatous diseases and aneurysms of the ascending thoracic aorta, which have decreased, the incidence of benign tumors is essentially unchanged. Clinical features of superior vena cava obstruction in relation to the anatomical site of obstruction and collateral pathways are correlated. Diagnostic approaches, including angiography and technetium scanning are usually definitive in outlining the site of obstruction. Experimental data and the numerous available techniques for surgical correction indicate that an entirely satisfactory procedure is not available for all patients. Methods include the use of venous bypass or Teflon prostheses and the addition of a small arteriovenous fistula proximally. Two new cases of superior caval obstruction due to benign tumor are reported. In 1 patient, who had intrapericardial bronchogenic cyst with fibrotic caval obstruction and thrombosis, a method for caval reconstruction while maintaining venous return to the right atrium is described. The second patient had an intrathoracic thyroid adenoma and caval obstruction without thrombosis.

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