Chronic myeloproliferative syndrome. Definition

Medical Definition: chronic myeloproliferative syndrome

Set of hematological diseases, clinical features and evolutionary closely related and probably common pathogenesis. Chronic evolution processes are usually esplenomegálicos, often present with increased blood cell counts (polycythemia, leukocytosis or thrombocytosis) in a ratio variable, depending on the institution involved, with frequent eosinophilia and basophilia, and a tendency to develop fibrosis reticulin and collagen. The diseases included are: polycythemia vera, chronic myelogenous leukemia, agnogenic myeloid metaplasia and essential thrombocythemia.

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