Multisclice computed tomographic angiography of a spontaneous left internal mammary graft dissection

A 67-year-old man, with a history of coronary artery from the first third of the artery (Fig. 1, panel B) and bypass graft surgery 10years ago and percutaneous coronary intervention with stent implantation in the left circumflex artery 10months ago, was referred to our department after a non-ST elevation myocardial infarction a month ago and post-myocardial infarction angina. The patient was unresponsive to medical treatment and underwent a coronary arteriography, which revealed an extensive left internal mammary artery (LIMA) dissection starting