Essential thrombocythemia with Mpl W515 K mutation in a child presenting with Budd-Chiari syndrome.

Abstract excerpt

Essential thrombocythemia (ET) is an extremely rare childhood disorder characterised by clonal expansion of megakaryocytic lineage in bone marrow, leading to a persistent increase in the number of circulating thrombocytes and thus increased risk for thrombotic and haemorrhagic events. The molecular mechanisms of ET are not fully understood. Most children with ET have the JAK2 V617F somatic mutation; however,...

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