Ahmet Emre Eskazan1, Teoman Soysal2. 1. Division of Hematology, Department of Internal Medicine, Cerrahpasa Faculty of Medicine, Istanbul University-Cerahpasa, Istanbul, Turkey emreeskazan@hotmail.com. 2. Division of Hematology, Department of Internal Medicine, Cerrahpasa Faculty of Medicine, Istanbul University-Cerahpasa, Istanbul, Turkey.