CD5 and acute lymphoblastic leukemia: Flow cytometry of the BM aspirate indicated that the blasts were presenting the stem cell markers CD34+, HLA-DR+, the T-cell markers cCD3dim+, CD2+, CD7+, CD5-, the B-cell markers CD19-,CD10-,and the myeloid cell markers CD13+, CD117+, CD14-, CD64-, CD33-, MPO-, suggesting a diagnosis of ETP-ALL.