Primary polycythemia are due to factors intrinsic to red cell precursors. Polycythemia vera (PCV), polycythemia rubra vera (PRV), or erythremia, occurs when excess red blood cells are produced as a result of an abnormality of the bone marrow.[3] Often, excess white blood cells and platelets are also produced. PCV is classified as a myeloproliferative disease. Symptoms include headaches and vertigo, and signs on physical examination include … [Read more…]

Erythrocytosis refers to an increase in the absolute red blood cell (RBC) mass in the body. In practice, this is reflected by an increase in hemoglobin levels, or hematocrit, over what is considered physiologic for that age and gender. Polycythemia (also known as polycythemia or polyglobulia) is a disease state in which the hematocrit (the volume percentage of red blood cells in the blood) and/or hemoglobin concentration … [Read more…]

Polycythemia or erythrocytosis refers to an increase in the absolute red blood cell (RBC) mass in the body. In practice, this is reflected by an increase in hemoglobin levels, or hematocrit, over what is considered physiologic for that age and gender. Polycythemia (also known as polycythemia or polyglobulia) is a disease state in which the hematocrit (the volume percentage of red blood cells in the blood) … [Read more…]

MPNs (Myeloproliferative neoplasms) are a group of rare blood cancers in which excess red blood cells, white blood cells or platelets are produced in the bone marrow. Myelo refers to the bone marrow, proliferative describes the rapid growth of blood cells and neoplasm describes that growth as abnormal and uncontrolled. Myeloproliferative Neoplasms/Hematopoietic pluripotent stem cells have self-renewal capability and give rise to either myeloid or the lymphoid lineage … [Read more…]

Myeloproliferative neoplasms (MPNs) are a group of rare blood cancers in which excess red blood cells, white blood cells or platelets are produced in the bone marrow. Myelo refers to the bone marrow, proliferative describes the rapid growth of blood cells and neoplasm describes that growth as abnormal and uncontrolled. Myeloproliferative Neoplasms/Hematopoietic pluripotent stem cells have self-renewal capability and give rise to either myeloid or the lymphoid lineage which … [Read more…]