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Essential thrombocythemia
Characteristic bone marrow features of essential thrombocythemia in trephine biopsies stained with hematoxylin and eosin. Increase in cellularity (thick arrow) and increase in number of enlarged, mature megakaryocytes with hyperlobulated nuclei (thin arrow)
Reproduced with permission from Michiels JJ, de Raeve H, Hebeda K, et al. Leuk Res. 2007 Aug;31(8):1031-8
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