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.
Hairy cell leukemia (HCL) Is a type of blood cancer that begins in the bone marrow Is a rare type of chronic leukemia Hairy cell leukemia gets its name from the short, thin projections that look like hair on its cells. What You Should Know Many people with hairy cell leukemia live good-quality lives for years with medical care.