European vs 2015-World Health Organization clinical molecular and pathological classification of myeloproliferative neoplasms

Figure 16 JAK2^V617F positive hypercellular essential thrombocythemia (platelets 453 × 10⁹/L) in a case of portal vein thrombosis[94]. Large platelets in peripheral blood smear (B left) as compared to control (A left), bone marrow smear with large megakaryocytes with multilobulated nuclei (B right) as compared to control (A right) and hypercellular bone marrow due to increased erythropoisesis and granulopoiesis with pleomorphic megakaryocytes (C-E) similar as in typical polycythemia vera case 9 (F) with a hypercellular bone marrow picture due to increased erythropoiesis and granulopoiesis and slight increase of reticuline fibers grade 1 (G).