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Transient myeloproliferative disease develops and may be of concern in fetuses. Features in a review of 39 reported fetal cases include: reduced platelet production often accompanied by significantly reduced levels of circulating platelets; reduced red blood cell production sometimes accompanied by mild anemia; increased levels of circulating megakaryoblasts and white blood cells; grossly ...
Transient myeloproliferative disease, renamed Transient Abnormal Myelopoiesis (TAM), [32] is the abnormal proliferation of a clone of noncancerous megakaryoblasts in the liver and bone marrow.
Transient myeloid leukemia is a pre-leukemic condition. [30] [31] [32] Clonal hematopoiesis is a common age-related phenomenon with a low risk of progression to myelodysplastic syndrome (MDS) and leukemia. [33] Once MDS has developed, the risk of progression to acute leukemia can be assessed using the International Prognostic Scoring System .
Acute myeloid leukemia (AML) is a cancer of the myeloid line of blood cells, characterized by the rapid growth of abnormal cells that build up in the bone marrow and blood and interfere with normal blood cell production. [1] Symptoms may include feeling tired, shortness of breath, easy bruising and bleeding, and increased risk of infection. [1]
In hematology, myelopoiesis in the broadest sense of the term is the production of bone marrow and of all cells that arise from it, namely, all blood cells. [1] In a narrower sense, myelopoiesis also refers specifically to the regulated formation of myeloid leukocytes (), including eosinophilic granulocytes, basophilic granulocytes, neutrophilic granulocytes, and monocytes.
Tumors of the hematopoietic and lymphoid tissues (American English) or tumours of the haematopoietic and lymphoid tissues (British English) are tumors that affect the blood, bone marrow, lymph, and lymphatic system.
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Acute megakaryoblastic leukemia (AMKL) is life-threatening leukemia in which malignant megakaryoblasts proliferate abnormally and injure various tissues. Megakaryoblasts are the most immature precursor cells in a platelet-forming lineage; they mature to promegakaryocytes and, ultimately, megakaryocytes which cells shed membrane-enclosed particles, i.e. platelets, into the circulation.