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  Indian J Med Microbiol
 

Figure 3: Peripheral blood smears and flow cytometry at the time of detection of acute lymphoblastic leukemia. (a) Peripheral blood smears in acute lymphoblastic leukemia showing lymphoblasts (Romanowsky, ×400). (b) Peripheral blood smears in acute lymphoblastic leukemia showing myeloperoxidase stain negative lymphoblasts and few myeloperoxidase positive neutrophils (myeloperoxidase, ×400). Flow cytometry confirming the diagnosis of Pro B acute lymphoblastic leukemia with flow cytoblasts showing positivity for (c) CD 45 (d) CD 34 (e) HLA-DR (f) Tdt (g) CD 19 (h) CD 38 (i) CD 79a and (j) CD 15 markers

Figure 3: Peripheral blood smears and flow cytometry at the time of detection of acute lymphoblastic leukemia. (a) Peripheral blood smears in acute lymphoblastic leukemia showing lymphoblasts (Romanowsky, ×400). (b) Peripheral blood smears in acute lymphoblastic leukemia showing myeloperoxidase stain negative lymphoblasts and few myeloperoxidase positive neutrophils (myeloperoxidase, ×400). Flow cytometry confirming the diagnosis of Pro B acute lymphoblastic leukemia with flow cytoblasts showing positivity for (c) CD 45 (d) CD 34 (e) HLA-DR (f) Tdt (g) CD 19 (h) CD 38 (i) CD 79a and (j) CD 15 markers