Case Report

Secondary Acute Myeloid Leukemia in a One-Year-Old Girl Diagnosed with JAK2-V617F Mutation Positive Myeloproliferative Neoplasm

Figure 1

(a) Bone marrow core biopsy showing high cellularity with marrow space occupied mainly by early myeloid cells. (b) Most blasts are nondescript, medium-sized with scanty blue cytoplasm and small nucleoli. (c) Collagen bands (arrows) are evident in areas of core biopsy. (d) Some blasts showed megakaryocytic features with cytoplasmic blebs (arrowhead) or platelet-like pseudopods (arrow).
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(a)
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(b)
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(c)
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(d)