Therapy-related acute promyelocytic leukemia with FMS-like tyrosine kinase 3-internal tandem duplication mutation in solitary bone plasmacytoma: A case report

Figure 1 Microscopic examination of peripheral blood and bone marrow. A: PB showed rouleaux formation of red blood cells and an atypical promyelocyte; B: BM aspiration smears showed increased number of atypical promyelocytes with bilobed nuclei and densely packed large granules in the cytoplasm (Wright-Giemsa staining, × 1000). PB: Peripheral blood; BM: Bone marrow.