retrosternal mass: an interesting allergic reaction to intravenous thrombolytic therapy for acute ischemic stroke.

stroke is an important cause of disability and death worldwide, with the majority of strokes occurring in older people. thrombolysis with recombinant tissue plasminogen activator (r-tpa) is the approved treatment for acute ischemic stroke. a major concern of physicians, who treat acute ischemic stroke with recombinant tissue plasminogen activator (r-tpa,) is the risk of intracerebral hemorrhage. however, other adverse reactions, including anaphylaxis and angioedema, can also occur. here we report an interesting soft tissue reaction to intravenous r-tpa in an 80 year-old male who was treated for acute ischemic stroke.