Leukemia
Leukemia is a type of blood and bone marrow cancer caused by the rapid production of abnormal white blood cells. These abnormal white blood cells are unable to fight infection and impair the production of red blood cells and platelets in the bone marrow.
The first type of classification of leukemia involves the rate at which the leukemia progresses. It can either be chronic leukemia, which progresses slowly, or acute leukemia, which progresses more quickly and therefore requires immediate treatment.
The second type of classification of leukemia involves the type of white blood cell affected. This can either be Lymphocytic leukemia, which affects the body’s lymphocytes, or Myolegenous leukemia, which affects the body’s Myeloid cells. Both Lymphocytes and Myeloid cells function as part of the immune system and are responsible for a response against foreign invading pathogens within the body.
Therefore the four broad classifications of leukemia are:
Acute lymphocytic leukemia
acute myelogenous leukemia
Chronic lymphocytic leukemia
Chronic myelogenous leukema
Leukemia occurs in both adults and children. Acute Lymphocytic Leukemia is the most common form of childhood leukemia. The two most common forms of leukemia found in adults are Acute Myelognous Leukemia and Chronic Lymphocytic Leukemia.
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