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. 2022 Dec 29;482(1):53–68. doi: 10.1007/s00428-022-03480-8

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Fig. 4 — Chronic neutrophilic leukemia. Bone marrow is markedly hypercellular for the patient’s age, with hyperplastic granulopoiesis and increased number of metamyelocytes and segmented granulocytes. Megakaryocytes can be increased in number with mature morphology. Myeloblasts are usually less than 5% (CD34) (courtesy of E. Sabattini Bologna, Italy)