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In oncology, polycythemia vera (PV) is an uncommon myeloproliferative neoplasm in which the bone marrow makes too many red blood cells. [1] The majority of cases [ 2 ] are caused by mutations in the JAK2 gene, most commonly resulting in a single amino acid change in its protein product from valine to phenylalanine at position 617.
Polycythemia is defined as serum hematocrit (Hct) or hemoglobin (HgB) exceeding normal ranges expected for age and sex, typically Hct >49% in healthy adult men and >48% in women, or HgB >16.5 g/dL in men or >16.0 g/dL in women. [8] The definition is different for neonates and varies by age in children. [9] [10]
Myelofibrosis can be a late complication of other myeloproliferative disorders, such as polycythemia vera, and less commonly, essential thrombocythemia. In these cases, myelofibrosis occurs as a result of somatic evolution of the abnormal hematopoietic stem cell clone that caused the original disorder.
ICD-10 coding number Diseases Database coding number Medical Subject Headings Iron-deficiency anemia: D50: 6947: Iron-deficiency anemia (or iron deficiency anaemia) is a common anemia that occurs when iron loss (often from intestinal bleeding or menses) occurs, and/or the dietary intake or absorption of iron is insufficient. In such a state ...
Platelet count > 400 × 10 3 /μL for at least 2 months. A2. Acquired V617F JAK2 mutation present; B1. No cause for a reactive thrombocytosis normal inflammatory indices; B2. No evidence of iron deficiency stainable iron in the bone marrow or normal red cell mean corpuscular volume; B3. No evidence of polycythemia vera
She was also diagnosed with a rare blood disease polycythemia vera, where the body makes too many red blood cells that thicken the blood and clots according to Mayo Clinic. To address the ...
[10] Once the reactive causes of thrombocythemia are ruled out, clonal thrombocythemia should be considered. The most common cause of clonal thrombocythemia is a myeloproliferative neoplasm. These include: essential thrombocythemia, chronic myelogenous leukemia, polycythemia vera, and primary myelofibrosis. [8]
Chronic myeloid leukemia, polycythemia vera, primary myelofibrosis, essential thrombocythemia, acute myeloid leukemia, allergic reactions or chronic inflammation related to infections, inflammatory bowel disease, and autoimmune disease. Diagnostic method: Complete blood count and blood smear.