This Javascript code is not necessary to use the site. The disease has similarities to polycythemia vera , chronic myelogenous leukemia , and myelofibrosis . Usually it affects people who are over 50 years old. Bleeding can occur from the gastrointestinal, respiratory , urinary tract, or skin. The formation of blood clots called thrombosis may coincide with bleeding episodes and may even cause strokes in some people.
Risk factors are unknown.
The incidence is 1 out of 100,000 people. The information provided herein should not be used for diagnosis or treatment of any medical condition. A licensed physician should be consulted for diagnosis and treatment of any and all medical conditions. Inc. Any duplication or distribution of the information contained herein is strictly prohibited. Rockville Pike, Bethesda, MD 20894 Copyright and Privacy Policy , We welcome your comments.