leukemia

In 1847, German pathologist Rudolf Weir Xiao identified leukemia for the first time. The cause of leukemia is the abnormal functioning of hematopoietic tissue in the bone marrow due to intracellular DNA mutations. Stem cells in the bone marrow can make thousands of red and white blood cells every day. Leukemia patients overproduce immature white blood cells, hindering other work of the bone marrow, which reduces the ability of the bone marrow to produce other blood cells. Leukemia can spread to the lymph nodes, spleen, liver, central nervous system, and other organs.