Hairy Cell Leukemia
Hairy cell leukemia (HCL) is a type of cancer in which malignant (cancerous) cells grow in the bone marrow, the soft inner part of bones. It is characterized by too many white blood cells that are large, lack granules, and are "hairy" in appearance. The abnormal white blood cells build up in the blood, crowding out other blood cells, and cause anemia, easy bruising, bleeding, and fatigue. HCL is a rare form of leukemia, and it represents about 2 percent of all cases of leukemia in adults. Treatment helps keep the disease in check and includes medication, radiation, and stem cell transplant. It is important to diagnose and treat HCL early to help prevent long-term complications.
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