Learn about the three most important lines of latitude on Earth - the equator, Tropic of Cancer, and Tropic of Capricorn. Learn about the three most important lines of latitude on Earth - the equator, Tropic of Cancer, and Tropic of Capricorn.
General Discussion. Hairy cell leukemia (HCL) is a rare type of blood cancer characterized by abnormal changes in white blood cells known as B lymphocytes. The bone marrow creates too many of these defective cells, known as hairy cells because of the thin hair-like projections found on their surface.
The majority of people with hairy cell leukemia eventually need treatment. If your hairy cell leukemia causes signs and symptoms, you may decide to undergo treatment. There is no cure for hairy cell leukemia. But treatments are effective at putting hairy cell leukemia in remission for years.