Aneurysms of aberrant right subclavian artery: a rare cause of the superior vena cava syndrome.

Aneurysms of an aberrant right subclavian artery are very rare. Since 1956, only 36 cases have been reported in the literature. 2 cases of aneurysms of an aberrant right subclavian artery are presented. The patients were admitted with the symptoms of a superior vena cava syndrome. During the radiographic examination, the presence of superior mediastinal masses was noticed. The aneurysms were resected successfully. The clinical presentation, surgical management and prognosis of our two cases of aneurysms of an aberrant right subclavian artery are reported, and a review of the literature is added.