An Approach to the Investigation of Thrombocytosis: Differentiating between Essential Thrombocythemia and Secondary Thrombocytosis

<div>Approach to the diagnostic workup of patients presenting with thrombocytosis. The proposed approach has not been validated and is not meant to replace clinical judgment. CBC, complete blood count; ET, essential thrombocythemia; <i>JAK2</i>, Janus Kinase 2 gene; <i>CALR</i>, Calreticulin gene; and <i>MPL</i>, thrombopoietin receptor protein gene.</div>

Advances in Hematology

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Figure 2: An Approach to the Investigation of Thrombocytosis: Differentiating between Essential Thrombocythemia and Secondary Thrombocytosis 