Acute lymphoblastic leukemia (ALL) is a cancer of the white blood cells in the bone marrow. The white blood cells, called lymphocytes, grow in the bone marrow but then travels through the body in the blood to help fight instructions. When these white blood cells have leukemia they are not able to fight infections.
ALL also causes the bone marrow to make too many of these cells. The overgrowth makes it difficult for other blood cells like red blood cells or platelets to develop. Low levels of other blood cells can cause a variety of symptoms such as bleeding problems, fatigue and shortness of breath.
White Blood Cells
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Last reviewedDecember 2013by Mohei Abouzied, MD
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