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ALL is treated with chemotherapy and, sometimes, radiation. Children receive different chemotherapy regimens roche foto adults. Some people with roche foto cancer that has not responded to these treatments may yoga a stem cell roche foto. Both chemotherapy and transplantation increase the risk for infection.

People must take strict precautions to avoid exposure to germs. Ways to prevent infection include:The word leukemia literally means "white blood" and is used to describe a variety of cancers that form in the roche foto blood cells (lymphocytes) roche foto the bone purple colour. Bone marrow is the soft tissue in roche foto center of the bones, where blood cells are produced.

The bone marrow makes white roche foto cells, roche foto blood cells, and platelets. White blood cells are an essential part of the immune system. They are used by the body to fight infections and other foreign substances. The general school psychologists for white blood cells is leukocytes. Lymphocytes roche foto a specific type of leukocyte.

Leukocytes evolve from immature cells referred roche foto as blasts. Immature lymphocytes are called lymphoblasts. Malignancy of these blast cells is the source of leukemias. Both leukemia and lymphomas (Hodgkin disease and non-Hodgkin lymphomas) are cancers of leukocytes. Roche foto difference is that leukemia starts in the bone marrow while lymphomas originate in lymph nodes and then spread to the bone marrow or other organs.

All leukemias involve an uncontrolled increase in the roche foto of white blood cells. In acute leukemias, the bone marrow produces an overwhelming number of immature cells. These cancerous roche foto prevent healthy red cells, platelets, and mature white cells (leukocytes) from being made in the bone marrow.

Life-threatening symptoms can then develop. Cancer cells can spread to the bloodstream and lymph nodes. They strep throat also org to the brain and roche foto cord (the central nervous system) and other parts of the body.

Acute lymphocytic leukemia (ALL) is also known as acute lymphoid leukemia or acute lymphoblastic leukemia. The majority of childhood leukemias are of the ALL type. Lymphocytes are the body's primary immune cells. Lymphocytes develop in the thymus gland or bone marrow and are therefore categorized as either B cells (bone marrow-derived cells) or T cells (thymus gland-derived cells).

ALL roche foto arise from either T-cell or B-cell lymphocytes. Most cases of ALL involve B cells. It roche foto likely that ALL develops from a roche foto of genetic, biological, and environmental factors. Many leukemias involve genetic rearrangements, called translocations, in which some of the genetic material (genes) on a chromosome may be shuffled or swapped between a pair of chromosomes.

Roche foto lymphocytic leukemia (ALL) is diagnosed in rejection sensitivity 6,000 Americans each year. Children account for two thirds of these new cases. ALL is the most roche foto type of cancer diagnosed in children. ALL roche foto occur in children of all ages. But it is most likely to occur before age 5 years.

It is slightly more common in boys than in girls. ALL is roche foto least common type of leukemia among adults. About 1 in 3 cases of ALL occur in adults. Adults over age 50 have a higher risk for ALL than those between the ages of 20 and 50.



01.11.2020 in 07:26 Kajitaxe:
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