Define Leukemia
Define Leukemia and blood cells: We can define leukemia that is a type of cancer of the blood or bone marrow characterized by an abnormal increase of white blood cells and which is usually accompanied by impaired blood clotting, anemia and enlargement of the lymph nodes, spleen and liver.
The word leukemia, which means 'white blood', is derived from the disease's namesake high white blood cell counts that most leukemia patients have before treatment. Blood contains several types of cells suspended in a clear fluid called plasma. Hematopoiesis is the development and process of blood cell formation. The process of blood cell formation begins in the bone marrow, sponge like material found in the cavities of bone.
The word leukemia, which means 'white blood', is derived from the disease's namesake high white blood cell counts that most leukemia patients have before treatment. Blood contains several types of cells suspended in a clear fluid called plasma. Hematopoiesis is the development and process of blood cell formation. The process of blood cell formation begins in the bone marrow, sponge like material found in the cavities of bone.
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define leukemia
Define Leukemia and Type of Leukemia
Leukemia is cancer of the blood cell. Leukemia occurs when mature cells or immature multiply in an uncontrolled manner in the bone marrow marked by distorted proliferation and development of leukocytes and their precursors in the blood and bone marrow. It is a particular type of cancer that causes the uncontrolled proliferation of abnormal blood cells. The basis for the loss of growth control is a malfunction of specific genes. Leukemia, the bone marrow, produces a large number of abnormal white blood cells. We define these cells that immature which don’t function properly. The high numbers of white blood cells are apparent when a blood sample is viewed under a microscope. Boys are somewhat more likely to develop leukemia than girls
Type of leukemia
We can classify leukemia to 4 main types (for rare types are considered to be outside of these main types)
1) Acute lymphoblastic leukemia or Acute lymphocytic leukemia (ALL) begins in immature B or T lymphocytes (lymphoblasts), the cancerous change takes place in a type of marrow cell that normally goes on to form lymphocytes, which are infection-fighting immune system cells, and ALL (acute lymphocytic leukemia) is the most common type of leukemia in children. Acute leukemia is characterized by a rapid increase in the numbers of immature blood cells. The cancer cells quickly grow and replace normal cells in the bone marrow. Radiotherapy and chemotherapy are standard treatment of this type of leukemia.
2) Chronic lymphocytic leukemia or chronic lymphoblastic leukemia (CLL) is a disease of B lymphocytes. This type of leukemia most often affects adult over the age of 55 year-old. 2/3 of affected people are men.
3) Acute myeloid leukemia or acute myelogenous leukemia (AML) begins in immature myeloid cells (myeloblast) and occurs more commonly in men than women, and more commonly in adult than in children. AML has 8 sub-type (M0 – M7) base on appearance of the leukemic cells under the microscope.
4) Chronic myeloid leukemia or chronic myelogenous leukemia (CML) begins in immature myeloid cells that would normally develop into granulocytes and occurs mainly in adults, but occasionally is diagnosed in older boys and girls. The 5-year survival rate is 90 percent.
Define Leukemia related tags and keywords for more search
cells in the peripheral, cells in the bone, various acute or chronic, acute or chronic neoplastic, diseases of the bone, unrestrained proliferation of white, exposure to ionizing radiation, precursors in the blood, overactivity of the lymphoid, numbers of tissue mast, cell in the peripheral, blood is the plasma, marked by distorted proliferation, which the granular polymorphonuclea, define leukemia
Type of leukemia
We can classify leukemia to 4 main types (for rare types are considered to be outside of these main types)
1) Acute lymphoblastic leukemia or Acute lymphocytic leukemia (ALL) begins in immature B or T lymphocytes (lymphoblasts), the cancerous change takes place in a type of marrow cell that normally goes on to form lymphocytes, which are infection-fighting immune system cells, and ALL (acute lymphocytic leukemia) is the most common type of leukemia in children. Acute leukemia is characterized by a rapid increase in the numbers of immature blood cells. The cancer cells quickly grow and replace normal cells in the bone marrow. Radiotherapy and chemotherapy are standard treatment of this type of leukemia.
2) Chronic lymphocytic leukemia or chronic lymphoblastic leukemia (CLL) is a disease of B lymphocytes. This type of leukemia most often affects adult over the age of 55 year-old. 2/3 of affected people are men.
3) Acute myeloid leukemia or acute myelogenous leukemia (AML) begins in immature myeloid cells (myeloblast) and occurs more commonly in men than women, and more commonly in adult than in children. AML has 8 sub-type (M0 – M7) base on appearance of the leukemic cells under the microscope.
4) Chronic myeloid leukemia or chronic myelogenous leukemia (CML) begins in immature myeloid cells that would normally develop into granulocytes and occurs mainly in adults, but occasionally is diagnosed in older boys and girls. The 5-year survival rate is 90 percent.
Define Leukemia related tags and keywords for more search
cells in the peripheral, cells in the bone, various acute or chronic, acute or chronic neoplastic, diseases of the bone, unrestrained proliferation of white, exposure to ionizing radiation, precursors in the blood, overactivity of the lymphoid, numbers of tissue mast, cell in the peripheral, blood is the plasma, marked by distorted proliferation, which the granular polymorphonuclea, define leukemia