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Polycythemia vera - Overview

Alternative Names

Primary polycythemia; Polycythemia rubra vera; Myeloproliferative disorder; Erythremia; Splenomegalic polycythemia; Vaquez's disease; Osler's disease; Polycythemia with chronic cyanosis - Myelopathic polycythemia; Erythrocytosis megalosplenica; Cryptogenic polycythemia

Definition of Polycythemia vera:

Polycythemia vera is an abnormal increase in the number of blood cells (primarily red blood cells) produced by the bone marrow.

Causes, incidence, and risk factors:

Polycythemia vera is a disorder of the bone marrow. It causes too much production of white blood cells, red blood cells, and platelets.

It is a rare disease that occurs more often in men than women, and is rare in patients under age 40. The exact cause is unknown.

  • Reviewed last on: 3/2/2009
  • David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine; and Yi-Bin Chen, MD, Leukemia/Bone Marrow Transplant Program, Massachusetts General Hospital. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

References

Tefferi A. Polycythemias. In: Goldman L, Ausiello D, eds. Cecil Medicine. 23rd ed. Philadelphia, Pa: Saunders Elsevier;2007:chap 172.

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