Leukemia Center

Chronic Myelogenous Leukemia

About 20,000 people in the United States are affected by chronic myelogenous leukemia, and about 4,500 people are newly diagnosed every year.

Chronic myelogenous leukemia, also known as CML, is a slowly progressing blood and bone marrow disease that usually develops during or after middle age and rarely affects children.

Normally, the bone marrow produces blood stem cells that develop into mature blood cells over time. A blood stem cell may become a myeloid stem cell which develops into either red blood cells, platelets or...