Definition
Primary myelofibrosis (PMF) is a stem cell-derived clonal myeloproliferative disorder (MPD) that is characterized clinically by anemia, marked enlargement of the spleen and liver, and severe constitutional symptoms. Peripheral blood findings include the presence of immature myeloid cells including nucleated red blood cells, immature granulocytes, and teardrop-shaped erythrocytes. The bone marrow histology exhibits reticulin and collagen fibrosis, osteosclerosis, and angiogenesis.
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Background
The blood and bone marrow features associated with PMF are discovered either de novo (i.e., PMF) or in the setting of either polycythemia vera (post-PV MF) or essential thrombocythemia (post-ET MF). PMF is also known by many synonyms. However, the use of the term “PMF” was recently endorsed by the International Working Group for...
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References
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Tefferi A (2005) Pathogenesis of myelofibrosis with myeloid metaplasia. J Clin Oncol 23:8520–8530
Tefferi A (2006) New insights into the pathogenesis and drug treatment of myelofibrosis. Curr Opin Hematol 13:87–92
Tefferi A, Jimenez T, Gray LA et al (2001) Radiation therapy for symptomatic hepatomegaly in myelofibrosis with myeloid metaplasia. Eur J Haematol 66:37–42
Visani G, Finelli C, Castelli U et al (1990) Myelofibrosis with myeloid metaplasia: clinical and haematological parameters predicting survival in a series of 133 patients. Br J Haematol 75:4–9
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Tefferi, A. (2015). Primary Myelofibrosis. In: Schwab, M. (eds) Encyclopedia of Cancer. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-27841-9_4740-2
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DOI: https://doi.org/10.1007/978-3-642-27841-9_4740-2
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Publisher Name: Springer, Berlin, Heidelberg
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