Acute Lymphocytic Leukemia (ALL) in Adults

What Is It?

Acute lymphocytic leukemia (ALL) is a type of leukemia. Leukemia is a cancer of the blood or bone marrow. ALL is also known as acute lymphoblastic leukemia and acute lymphoid leukemia.

ALL is acancer of the body's blood-making system. Blood cells are produced in the bone marrow, the soft, inner part of bones.

The word "acute" in acute lymphocytic leukemia refers to the fact that the disease can progress quickly. The word "lymphocytic" means that the cancer develops from lymphocytes, a type of white blood cell.

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