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  2. Essential thrombocythemia - Wikipedia

    en.wikipedia.org/wiki/Essential_thrombocythemia

    0.6-2.5/100,000 cases per year. [ 2 ] In hematology, essential thrombocythemia (ET) is a rare chronic blood cancer (myeloproliferative neoplasm) characterised by the overproduction of platelets (thrombocytes) by megakaryocytes in the bone marrow. [ 3 ] It may, albeit rarely, develop into acute myeloid leukemia or myelofibrosis. [ 3 ]

  3. Thrombocythemia - Wikipedia

    en.wikipedia.org/wiki/Thrombocythemia

    Thrombocythemia. In hematology, thrombocythemia is a condition of high platelet (thrombocyte) count in the blood. Normal count is in the range of 150 × 10 9 to 450 × 10 9 platelets per liter of blood, [1] but investigation is typically only considered if the upper limit exceeds 750 × 10 9 /L. When the cause is unknown, the term ...

  4. Polycythemia vera - Wikipedia

    en.wikipedia.org/wiki/Polycythemia_vera

    In oncology, polycythemia vera (PV) is an uncommon myeloproliferative neoplasm in which the bone marrow makes too many red blood cells. [1] The majority of cases [2] are caused by mutations in the JAK2 gene, most commonly resulting in a single amino acid change in its protein product from valine to phenylalanine at position 617.

  5. Chronic myelomonocytic leukemia - Wikipedia

    en.wikipedia.org/wiki/Chronic_myelomonocytic...

    Chronic myelomonocytic leukemia (CMML) is a type of leukemia, which are cancers of the blood-forming cells of the bone marrow. In adults, blood cells are formed in the bone marrow, by a process that is known as haematopoiesis. In CMML, there are increased numbers of monocytes and immature blood cells (blasts) in the peripheral blood and bone ...

  6. Polycythemia - Wikipedia

    en.wikipedia.org/wiki/Polycythemia

    Polycythemia vera (PCV) (a.k.a. polycythemia rubra vera (PRV)) occurs when excess red blood cells are produced as a result of an abnormality of the bone marrow. [3] Often, excess white blood cells and platelets are also produced. A hallmark of polycythemia vera is an elevated hematocrit, with Hct > 55% seen in 83% of cases. [19]

  7. Myeloproliferative neoplasm - Wikipedia

    en.wikipedia.org/wiki/Myeloproliferative_neoplasm

    Polycythemia vera (PV) is associated most often with the JAK2 V617F mutation greater than 95% of cases, whereas the remainder has a JAK2 exon 12 mutations. High hemoglobin or hematocrit counts are required, as is a bone marrow examination showing "prominent erythroid, granulocytic and megakaryocytic proliferation with pleomorphic, mature ...

  8. Primary myelofibrosis - Wikipedia

    en.wikipedia.org/wiki/Primary_myelofibrosis

    Primary myelofibrosis (PMF) is a rare bone marrow blood cancer. [1] It is classified by the World Health Organization (WHO) as a type of myeloproliferative neoplasm, a group of cancers in which there is activation and growth of mutated cells in the bone marrow. This is most often associated with a somatic mutation in the JAK2, CALR, or MPL genes.

  9. Mean platelet volume - Wikipedia

    en.wikipedia.org/wiki/Mean_platelet_volume

    Mean platelet volume. Mean platelet volume (MPV) is a machine-calculated measurement of the average size of platelets found in blood and is typically included in blood tests as part of the CBC. Since the average platelet size is larger when the body is producing increased numbers of platelets, the MPV test results can be used to make inferences ...

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