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Essential Thrombocythemia

View larger version (136K): [in this window] [in a new window]   Figure 1. Megakaryocytes (arrows) are markedly increased. Platelet "clumps" are also noted throughout the aspirate.

View larger version (134K): [in this window] [in a new window]   Figure 2. Megakaryocytes are dysplastic and may occur in pairs or clusters.

View larger version (142K): [in this window] [in a new window]   Figure 3. Large clusters of platelet fragments are noted throughout the aspirate.

View larger version (131K): [in this window] [in a new window]   Figure 4. Emperipolesis of red cells is noted. This process is not pathognomonic of malignancy but may also occur in various reactive conditions.

View larger version (109K): [in this window] [in a new window]   Figure 5. Dysmegakaryopoiesis marked by abnormal nuclear segmentation.

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This Article Figures Only Services Similar articles in this journal Alert me to new content in the Image Bank Download to citation manager Citing Articles Citing Articles via Google Scholar Google Scholar Articles by Maslak, P. Search for Related Content PubMed Articles by Maslak, P. Related Collections Myeloproliferative Diseases Related ASH-SAP Chapter Related Image Bank Image Sets Related ASH Education Book Articles Social Bookmarking                   What's this?