Multilineage Lymphoblastic Lymphoma as an Initial Presentation of Mixed Phenotype Acute Leukemia

Figure 2

Flow cytometry analysis of bone marrow cells. (a) Flow cytometry showed a small immature cell population coexpressing T cell and myeloid markers. (b) Two populations of leukemic cells were found: one with myeloperoxidase (MPO) strongly positive and cytoplasmic CD3 (cyCD3) weakly positive cells and the other with MPO weakly positive and cyCD3 strongly positive cells. cyCD3, cytoplasmic CD3; MPO, myeloperoxidase; TdT, terminal deoxynucleotidyl transferase.

(a)

(b)