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The International Hematology Library
Polycythemia Vera (PV) - Definition

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MedicineNet.com / MedTerms (Definition)

Votes:40 Comments:0
Polycythemia vera (PV): Overproduction (proliferation) of red blood cells due to bone marrow disease (myeloproferative disorder). PV tends to evolve into acute leukemia or a condition with the marrow READ MORE
http://www.medterms.com/script/main/art.asp...

American Family Physician (Definition)

Votes:7 Comments:0
Polycythemia vera is a chronic myeloproliferative disorder characterized by increased red blood cell mass. The resultant hyperviscosity of the blood predisposes such patients to thrombosis. Polycythem READ MORE
http://www.aafp.org/afp/20040501/2139.html

Tulane University Medical Center (Definition)

Votes:32 Comments:0
Polycythemia vera is a clonal stem cell disorder characterized by excessive erythrocyte production. Its etiology is not fully established, but hypersensitivity to interleukin-3 may play a role in the READ MORE
http://www.som.tulane.edu/classware/pathology/Krause/PV/PV.html

About.com: Rare Diseases (Definition)

Votes:23 Comments:0
Polycythemia vera (PV) is a bone marrow disorder (myeloproliferative disorder) in which there is an overproduction of red blood cells. Production of white blood cells and platelets is also increased i READ MORE
http://rarediseases.about.com/od/rarediseasesp/a/polycythemia.htm

FamilyDoctor.org (Definition)

Votes:26 Comments:0
Polycythemia (say: "polly-sigh-thee-me-ah") vera (PV) is a disease in which your body makes too many red blood cells. Your blood may become too thick. This causes serious health problems. PV increases READ MORE
http://familydoctor.org/online/famdocen/home/common/blood/825.html

The Merck Manual (Definition)

Votes:4 Comments:0
Polycythemia vera (primary polycythemia) is a disorder of the blood-producing cells of the bone marrow that results in overproduction of red blood cells. - The cause is not known. - People may fe READ MORE
http://www.merck.com/mmhe/sec14/ch178/ch178b.html

eMedicine - From WebMD (Definition)

Votes:29 Comments:0
Polycythemia vera (PV) is a stem cell disorder characterized as a panhyperplastic, malignant, and neoplastic marrow disorder. The most prominent feature of this disease is an elevated absolute red blo READ MORE
http://emedicine.medscape.com/article/205114-overview

Mayo Clinic (Definition)

Votes:15 Comments:0
Polycythemia vera is a blood disorder in which your bone marrow makes too many red blood cells. Polycythemia vera also may result in production of too many of the other types of blood cells — white READ MORE
http://www.mayoclinic.com/health/polycythemia-vera/DS00919

Wikipedia, the free encyclopedia (Definition)

Votes:39 Comments:0
Polycythemia vera is a blood disorder in which the bone marrow makes too many red blood cells. Polycythemia vera may also result in the overproduction of white blood cells and platelets. Most of the h READ MORE
http://en.wikipedia.org/wiki/Polycythemia_vera

MedlinePlus (Definition)

Votes:12 Comments:0
Polycythemia Vera (PV) is an abnormal increase in the number of blood cells (primarily red blood cells) produced by the bone marrow. READ MORE
http://www.nlm.nih.gov/medlineplus/ency/article/000589.htm

National Heart Lung & Blood Institute

Votes:4 Comments:0
Polycythemia (POL-e-si-THE-me-ah) vera (VAY-rah or VE-rah), or PV, is a rare blood disease in which your body makes too many red blood cells. The extra red blood cells make your blood thicker than READ MORE
http://www.nhlbi.nih.gov/health/dci/Diseases/poly/poly_whatis.html
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