Leukemia is the broad term for cancers of the blood. It is further subdivided into various types depending upon the types of blood cells which become cancerous. Leukemia is more common in adults older than 55, but it is also the most common cancer in children younger than 15 years.
Acute lymphocytic leukemia((ALL) is a type of blood cancer which affect blood and bone marrow cells-the spongy tissue inside bone where blood cells are formed.(For all types of cancer click here).
The word "acute" in acute lymphocytic leukemia comes from he fact the disease progresses rapidly and creates immature blood cells, rather than mature ones. The word "lymphocytic" in acute lymphocytic leukemia refers to the white blood cells called lymphocytes, which ALL affect. Acute lymphocytic lekima s also known as acute lymphoblastic leukemia.
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