what is blood cancer?

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  • 2 weeks ago

    Its called LEUKEMIAS*********************************************

    Its cancer of the blood cells. This usually affects the white blood cells. The cause of some leukemias isn't known. Viruses cause some leukemias in animals, such as cats, a virus known as HTLV-I( Human T-cell lymphotropic virus type I), which is similar to the virus that causes AIDS, is strongly suspected to be the cause of a rare type of leukemia in people, adult T- cell leukemia .Exposure to radiation and certain chemicals, such as benzene, and use of some anticancer drugs increase the risk of developing leukemia .Also, people who have certain genetic disorders, such as Down syndrome and Fanconi's syndrome are more likely to develop leukemia.

    White blood cells develop from stem cells in the bone marrow. Leukemia results when the process of maturation from stem cell to white blood cell goes awry and produces a cancerous change The change often involves a rearrangement of pieces of chromosomes---the cell's complex genetic material. Because the chromosomal rearrangement (chromosomal translocation) disturb the normal control of cell division, the affected cells multiply without restraint, becoming cancerous. They ultimately occupy the bone marrow, replacing the cells that produce normal blood cells. These leukemic (cancer) cells may also invade other organs, including the liver, spleen, lymph nodes, kidneys, and brain.

    There are four major types of leukemia, named for how quickly they progress and which kind of white blood cell they affect.

    ACUTE; progresses rapidly

    CHRONIC; progresses slowly

    LYMPHOCYTIC; affect lymphocytes, myeloid (myelocytic) leukemias affect myelocytes.

    Myelocytes develop into granulocytes, another term for neutrophils

    Source(s): nurse and alot of reading/studies
  • 4 weeks ago

    It's cancer that starts in your apendix

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