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Spontaneous coronary artery dissection is rare cause of acute coronary syndrome. It is diagnosed by coronary angiography which shows dissection flap and false lumen. Patients might be presented different clinical conditions from asymptomatic to sudden cardiac death. A 52 year-old man with acute coronary syndrome was performed coronary angiography, his sircumflex artery had spontaneous dissection. Due to unrelieved symptomes with medical treatment, percutanous coronary stenting was succesfully performed to sircumflex artery of the patient. If there are suitable vessel and experienced physican, percutanous coronary intervention can be performed to the patients with spontaneous coronary artery dissection. [ABSTRACT FROM AUTHOR]

Spontaneous coronary artery dissection(SCAD) is a very rare cause of acute coronary syndrome. SCAD can cause stable angina, unstable angina, acute myocardial infarction, cardiogenic shock and sudden cardiac death. Predisposing factors include atherosclerosis, the peripartum period, structural and inflammatory conditions affecting the arterial wall. The diagnosis is usually made by coronary angiography. The clinical presentation is similar to the atherosclerotic coronary artery disease. Prompt diagnosis and treatment of patients improves survival. Therapeutic options include medical therapy, percutaneous coronary intervention and surgery. The four cases were presented an discussed with review of the pertinent literature. [ABSTRACT FROM AUTHOR]