Home > Hematology > CML-Chronic Myeloid Leukemia Get the Flash Player to see this player. Rate: (Click the stars to rate) Published on May 29, 2010 by RubenMesa, Views: 7115 CML-Chronic Myeloid Leukemia: CML can be a fatal disease if it goes untreated, however recent breakthroughs in treatment have been very successful. CML is caused by a genetic change that occurs in your body with a switch in chromosome 9 and 22, this is called the Philadelphia Chromosome. This causes a buildup of a certain protein. Imatinib (gleevec) is a medication to prevent buildup of this protein.