Early T-cell precursor blast crisis of chronic myeloid leukemia: A case reportBENLAZAR Mohammed Ismail1, BEN LAKHAL Fatma1,2, FEKIH SALEM Sarra1,4,, GHALI Ons1,2, KHARRAT Rachid2,3, BERRED Rabeb2,3, BEN NEJI Hend2,3, BEN LAKHAL Raihane2,3, EL BORGI Wijdene1,2, GOUIDER Emna1,2.Hematology laboratory, Aziza Othmana University Hospital, TunisFaculty of Medicine, El Manar University, Tunis, TunisiaClinical Hematology Department, Aziza Othmana University Hospital, TunisFaculty of Pharmacy, Monastir University, Monastir, TunisiaCorresponding author: BENLAZAR Mohammed IsmailPhone number: +(213)552367753e-mail : benlazarmohammedismail@gmail.com