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

Figure 2

(a) Myeloid sarcoma blasts infiltrating striated muscle in biopsy from eyebrow. (b) Inguinal lymph node showing myeloid blasts in subcapsular and interfollicular sinuses (H&E). (c) Immunoperoxidase staining for CD42b showing positivity in blasts infiltrating lymph node subcapsular and interfollicular sinuses. (d) Immunoperoxidase staining for CD61 showing positivity in blasts infiltrating lymph nose subcapsular and interfollicular sinuses.

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