%0 Journal Article %T Occurrence in a Case of Philadelphia Negative Acute Lymphoblastic Leukemia following Treatment for Ewing's Sarcoma %A Abdullah KATGI %A Selda KAHRAMAN %A P£¿nar ATACA %A £¿zden P£¿£¿K£¿N %J Marmara Medical Journal %D 2012 %I Marmara University %X Therapy-related leukemias are 10-20% of all acute leukemia cases. Therapy-related acute lymphoblastic leukemia (ALL) is less frequent than therapy-related acute myeloid leukemia (AML) or myelodysplastic syndrome (MDS). In this paper, we present a patient with Ewing¡¯s sarcoma (ES) in the soft tissue of his right breast cured by chemotherapy and radiotherapy. He developed Philadelphia negative (Ph(-)) ALL four years following the therapy. (Marmara Medical Journal 2012;25:100-2) %K Ph(-) ALL %K Secondary leukemia %K Ewing's sarcoma %U http://mmj.dergisi.org/pdf.php3?id=637