Leukemia
Leukemia is a cancer which starts in blood-forming tissue, usually the bone marrow. It leads to the over-production of abnormal white blood cells, the part of the immune system which defends the body against infection. Leukemia is a cancer of blood cells (and therefore sometimes referred to as blood cancer Blood cells are formed in the bone marrow, the spongy tissue found inside the bones. Bloodforming stem cells divide to produce either more stem cells or immature cells that become mature blood cells over time. A blood stem cell may become a myeloid stem cell or a lymphoid stem cell.(1) A myeloid stem cell becomes one of three types of mature blood cells: Red blood cells that carry oxygen to all tissues of the body. Platelets that form blood clots to stop bleeding. Granulocytes (white blood cells) that fight infection and disease. A lymphoid stem cell becomes a lymphoblast cell and then one of three types of lymphocytes (white blood cells): B lymphocytes that make antibodies to help fight infection T lymphocytes that help B lymphocytes make the antibodies that help fight infection. Natural killer cells that attack cancer cells and viruses. Leukaemia affects white blood cells and can be classified by the type of white cell affected (myeloid or lymphatic) and by the way the disease progresses (acute or chronic). Acute and chronic do not refer to how serious the disease is but to how rapidly it progresses. Common symptoms of chronic or acute leukemia may include(2) pain in the bones or joints, swollen lymph nodes that usually don't hurt, fevers or sweats, feeling weak or tired, bleeding and bruising easily, frequent infections, discomfort or swelling in the abdomen, weight or loss of appetite
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The following report will be undergoing a type of cancer which is leukemia and the common symptoms , report well undergo different kind of study that ware done in the (London ,Germany ,and Egypt ).
