Successful n-butyl cyanoacrylate embolization of a spontaneous rupture of the internal mammary artery in a patient with myelodysplastic syndrome: report of a case. 
Hemomediastinum and hemothorax due to spontaneous internal mammary artery (IMA) rupture is extremely rare, and can be a life-threatening condition.  We herein present, to the best of our knowledge, the first case of spontaneous IMA rupture complicating myelodysplastic syndrome, and the first case that was successfully treated by emergency trans-arterial embolization using n-butyl cyanoacrylate.