Acute lymphoblastic leukemia (ALL) is a cancer of the white blood cells. The white blood cells (lymphocytes) grow in the bone marrow. Normally, they help the body fight infections. ALL causes the bone marrow to make too many white blood cells. This makes it hard for other types of blood cells to develop.
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It is not clear what causes ALL. It is likely a combination of genes and environment.
ALL is more common in children 2 to 5 years old, and adults over 70 years of age. Other things that raise the risk are:
Things that raise the risk of ALL in children are:
ALL may cause:
The doctor will ask about your symptoms and health history. A physical exam will be done. The doctor will check for swelling of the liver, spleen, or lymph nodes. You may be referred to a specialist.
Tests will be done to look for abnormal cells. They include:
The doctor may do more tests to learn about the leukemia. These tests will help guide treatment. Tests may include:
Treatment of ALL is done in 2 phases. The first phase is to kill leukemia cells. The second stage is to kill any remaining leukemia cells. Cells left behind could grow and cause the leukemia to come back. Options are:
There are no current guidelines for preventing ALL.
American Cancer Society
National Cancer Institute
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Provincial Health Services Authority
Acute lymphoblastic leukemia/lymphoma (ALL). EBSCO DynaMed website. Available at: https://www.dynamed.com/condition/acute-lymphoblastic-leukemia-lymphoma-all . Updated Accessed March 21, 2021.
Acute lymphocytic leukemia (ALL) in adults. American Cancer Society website. Available at: https://www.cancer.org/cancer/acute-lymphocytic-leukemia.html. Accessed March 21, 2021.
Aldoss I, Stein AS. Advances in adult acute lymphoblastic leukemia therapy. Leuk Lymphoma. 2018;59(5):1033-1050.
General information about adult acute lymphoblastic leukemia. National Cancer Institute website. Available at: https://www.cancer.gov/types/leukemia/patient/adult-all-treatment-pdq. Accessed March 21, 2021.
General information about childhood acute lymphoblastic leukemia. National Cancer Institute website. Available at: https://www.cancer.gov/types/leukemia/patient/child-all-treatment-pdq. Accessed March 21, 2021.
Leukemia in children. American Cancer Society website. Available at: https://www.cancer.org/cancer/leukemia-in-children.html. Accessed March 21, 2021.
Last reviewed January 2021 by EBSCO Medical Review Board Mohei Abouzied, MD, FACP Last Updated: 3/21/2021