A dissecting aneurysm of the aorta led to formation of a fistula from the aneurysmal sac to the left atrium and caused obstruction of the superior vena cava. We do not know of any previous reports of this clinical syndrome.
(JAMA 233:164-165, 1975)
Spitzer S, Blanco G, Adam A, Spyrou PG, Mason D. Superior Vena Cava Obstruction and Dissecting Aortic Aneurysm. JAMA. 1975;233(2):164-165. doi:10.1001/jama.1975.03260020050025