acute lymphoblastic leukemia

Definition / meaning of acute lymphoblastic leukemia

An aggressive (fast-growing) type of leukemia (blood cancer) in which too many lymphoblasts (immature white blood cells) are found in the blood and bone marrow. Also called acute lymphocytic leukemia and ALL.

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Find More About 'acute lymphoblastic leukemia'

Source(s):

The Web site of the National Cancer Institute (http://www.cancer.gov/)

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