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Acute promyelocytic leukemia (APML, APL) is a subtype of acute myeloid leukemia (AML), a cancer of the white blood cells. [3] In APL, there is an abnormal accumulation of immature granulocytes called promyelocytes .
All subtypes except acute promyelocytic leukemia are usually given induction chemotherapy with cytarabine and an anthracycline such as daunorubicin or idarubicin. [60] This induction chemotherapy regimen is known as " 7+3 " (or "3+7"), because the cytarabine is given as a continuous IV infusion for seven consecutive days while the anthracycline ...
Acute myeloid leukemia is a very heterogeneous disease, composed of a variety of translocations and mutations. However, one tenth of all acute myeloid leukemia cases diagnosed have the AML1-ETO fusion oncoprotein due to the t(8;21) translocation. AML1 or RUNX1 is a DNA-binding transcription factor located at the 21q22.
Subtypes of AML include acute promyelocytic leukemia, acute myeloblastic leukemia, and acute megakaryoblastic leukemia. Chronic myelogenous leukemia (CML) occurs mainly in adults; a very small number of children also develop this disease. It is treated with imatinib (Gleevec in United States, Glivec in Europe) or other drugs. [20]
Myeloblast with an Auer rod (to the left of the nucleus).. Auer rods (or Auer bodies) are large, crystalline cytoplasmic inclusion bodies sometimes observed in myeloid blast cells during acute myeloid leukemia, acute promyelocytic leukemia, high-grade myelodysplastic syndromes and myeloproliferative disorders.
Arsenic trioxide is intended for the induction of remission and consolidation in adult patients with acute promyelocytic leukemia who have the t(15;17) translocation and/or the PML/RARα gene. The drug should be used after treatment failure or relapse. Prior therapy should include retinoid and chemotherapy. [70]
Acute Promyelocytic Leukemia (APL) is a subtype of Acute Myeloid Leukemia, known for its accumulation of abnormal, course, densely granulated promyelocytes in the bone marrow. [6] The excessive proliferation of promyelocytes, attributing at least 30% of the myeloid cells in the bone marrow, result in a depletion of blood cells, including white ...
Acute leukemia or acute leukaemia is a family of serious medical conditions relating to an original diagnosis of leukemia. In most cases, these can be classified according to the lineage, myeloid or lymphoid , of the malignant cells that grow uncontrolled, but some are mixed and for those such an assignment is not possible.