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.
A Answers (1) Follow Following Unfollow Pending Disabled. A Honor Society of Nursing (STTI) answered. Refractory hairy cell leukemia is a term used to refer to a case of the disease that doesn't respond to treatment. This is different from relapsed hairy cell leukemia, which is a case of the disease in which treatment was initially successful but symptoms returned in time.