Coexistence of breakpoint cluster region-Abelson1 rearrangement and Janus kinase 2 V617F mutation in chronic myeloid leukemia: A case report

Figure 1 Bone marrow biopsy. A: Hematoxylin and eosin staining shows active proliferation of granulocytic cells and marked megakaryocytic hyperplasia (400 ×); B: Gomori staining is positive (++ to +++) (400 ×).