Tabriz University of Medical Sciences Journal of Cardiovascular and Thoracic Research 2008-5117 3 3 2011 08 20 Coronary Artery Ectasia in a Patient with Polycystic Kidney Disease 101 102 10.5681/jcvtr.2011.022 EN Leili Pourafkari Samad Ghaffari Bizhan Zamani Mehdi Tolui Journal Article 10.5681/jcvtr.2011.022 2011 02 10 A 44 years old male patient with acute coronary syndrome and polycystic kidney disease is described. Coronary angiography showed ectatic coronary arteries. Polycystic kidney disease is the most common inherited kidney disorder which is commonly associated with extra renal manifestations including cardiovascular conditions. Involvement of vessels may lead to arterial aneurysms which most commonly present as intracranial aneurysms. The rare association between coronary aneurysms and polycystic kidney disease has also been noted.