A Case of Floating Aortic Arch Thrombosis in a Patient without Thrombophilia

Floating aortic arch thrombi —blood clots forming in an aorta without aneurysms or atherosclerosis —in a normal are exceedingly rare. The etiology is unknown, and there no guidelines for appropriate treatment strategies. We report case of floating thrombosis patient coagulopathy that was treated surgically. As the mass could not be identified preoperatively as tumor thrombus, synthetic graft replacement performed, allowing resection lesion site. Histopathological examination revealed erosion fissures tunica intima aorta, which suggested vessel damage to cause.