The symptoms of acute leukemia, which tend to appear earlier and be more severe than the symptoms of chronic leukemia, can include: Chronic leukemia inhibits the development of blood stem cells, ultimately causing them to function less effectively than healthy mature blood cells.
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In acute myelogenous leukemia, adults are more affected than children, and men than women. Even this acute form of the cancer is a curable one, but again there are several factors which influence this opinion. And finally, chronic myelogenous leukemia is again more common in adults than in children.
APL is a type of blood cancer that affects cells called promyelocytes, which are white blood cells at an early stage of development.
Acute promyelocytic leukemia (APL) is a unique subtype of acute myeloid leukemia (AML) in which cells in the bone marrow that produce blood cells (red cells, white cells and platelets) do not develop and function normally.
Causes. The mutation that causes acute promyelocytic leukemia involves two genes, the PML gene on chromosome 15 and the RARA gene on chromosome 17. A rearrangement of genetic material (translocation) between chromosomes 15 and 17, written as t(15;17), fuses part of the PML gene with part of the RARA gene.
APL is a rare sub-type of acute myeloid leukaemia (AML). When you have APL, the bone marrow is not able to make enough normal blood cells. APL is treated in a very different way from other forms of AML, if a patient with APL is given standard treatment, there is a risk of serious problems with their clotting system.
The diagnosis of APL is based on an evaluation of the clinical presentation, morphology, immunophenotyping, karyotype, RT-PCR, FISH and immunofluorescence with anti-PML monoclonal antibodies. The redundancy of diagnostic tests is beneficial because of the broad and indistinct characterization of the disease.
Of the several kinds of therapy-related leukemia, therapy-related acute promyelocytic leukemia (t-APL) is most closely associated with topoisomerase II inhibitor administration for treatment of malignancies in adults.
The major types of leukemia are:Acute lymphocytic leukemia (ALL). This is the most common type of leukemia in young children. ... Acute myelogenous leukemia (AML). AML is a common type of leukemia. ... Chronic lymphocytic leukemia (CLL). ... Chronic myelogenous leukemia (CML). ... Other types.
APL most commonly occurs in middle-aged individuals. The median age at diagnosis is around 40 years, meaning that half of cases occur in people under that age and the other half in people above that age.
A promyelocyte (or progranulocyte) is a granulocyte precursor, developing from the myeloblast and developing into the myelocyte.
Phonetic spelling of promyelocyticpromye-lo-cytic.promy-e-l-o-cytic. Mandy Adams.promye-lo-cyt-ic. Mohammad Hessel.
The most important drugs for treating APL are non-chemo drugs called differentiating agents, like all-trans-retinoic acid (ATRA). Other treatments might include chemotherapy (chemo) and transfusions of platelets or other blood products.
It seems that the disease is the most malignant form of acute leukemia with a severe bleeding tendency and a fatal course of only weeks.