fa عمومى General پژوهشي Research A 22 –year-old male visited our center because of acute myeloblastic leukemia (AML) associated with Marfan syndrome (MFS). The diagnosis of MFS was based on clinical findings such as Ectopia lentis, Anurysmal Aoarta and systemic manifestations. Peripheral blood smear and bone marrow examination showed: AML.M3. We started chemotherapy regimen but unfortunately died by DIC in his hospitalization course. Acute myeloblastic leukemia, Marfan syndrome, case report 64 67 http://intjmi.com/browse.php?a_code=A-10-1-233&slc_lang=fa&sid=1 Sara Mehrvarz 10031947532846002134 10031947532846002134 No Department of Emergency Medicine, Shiraz University of Medical Sciences, Shiraz, Iran. Hadid Hamrah 10031947532846002135 10031947532846002135 Yes Department of Emergency Medicine, Shiraz University of Medical Sciences, Shiraz, Iran. Mehrdad Golmoradi 10031947532846002136 10031947532846002136 No Department of Emergency Medicine, Shiraz University of Medical Sciences, Shiraz, Iran.