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Leukemia

Background information

Leukemia is cancer of the blood or bone marrow. It is characterized by an abnormal multiplication of blood cells, usually white blood cells. Leukemia is a broad term covering a spectrum of diseases. Leukemia is part of an even broader group of diseases called hematological neoplasms.

Leukemia can be either acute or chronic. Acute leukemia usually grows quickly while chronic leukemia usually grows slowly. Leukemia can also involve two different types of white blood cells. These are lymphoid cells and meyloid cells. For this reason, all of the different forms of leukemia are categorized into four major types:

• Acute lymphocytic leukemia (ALL) is the most common type of leukemia. It is common in young children but can also be seen in old people.
• Chronic lymphocytic leukemia (CLL) is usually seen in people over the age of 55. It almost never affects children.
• Acute myelogenous leukemia (AML) occurs more commonly in adults, than in children.
• Chronic myelogenous leukemia (CML) occurs more commonly in adults, as well.

treatment

All types of leukemia can be treated mostly by radiation, prescription medicines, and bone marrow transplants. Other ways of treatment include chemotherapy, and use of anti-cancer drugs. Basically, the processes to treat leukemia are choices of patients because some forms of treatment can involve death. The sources of treatment prevent cancerous leukemic cells from dividing in the body and spreading to other parts, especially in the central nervous system.