Symptoms Stages and Treatments About the Cinical Trials Greenebaum Cancer Center Hairy cell leukemia is a disease in which cancerous cells develop in the blood and bone marrow. Hairy cell leukemia affects white blood cells called lymphocytes. Lymphocytes are made in the bone marrow and other organs.
Bone marrow is the spongy tissue inside the large bones in the body.
Bone marrow cells are produced by immature immortal stem cells. White blood cells fight infection. Platelets make the blood clot. This information is not intended to be a substitute for individual medical advice in diagnosing or treating a health problem. Please consult with your health care provider about your health care concerns.