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Chuvash erythrocytosis or Chuvash polycythemia is an autosomal recessive form of erythrocytosis endemic in patients from the Chuvash Republic in Russia. Chuvash erythrocytosis is associated with homozygosity for a C598T mutation in the von Hippel–Lindau gene ( VHL ), which is needed for the destruction of hypoxia-inducible factors in the ...
As they mature, a number of erythrocyte characteristics change: The overall size of the erythroid precursor cell decreases, increasing the cytoplasmic to nucleus (C:N) ratio. The nuclear diameter decreases and chromatin condenses with the staining reaction progressing from purplish red to dark blue at the final nuclear stage of the ...
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.
Telangiectasia-erythrocytosis-monoclonal gammopathy-perinephric-fluid collections-intrapulmonary shunting syndrome TEMPI syndrome is an orphan disease where the patients share five characteristics from which the acronym is derived: telangiectasias , elevated erythropoietin and erythrocytosis , monoclonal gammopathy , perinephric fluid ...
Myomatous erythrocytosis syndrome (MES) is an uncommon gynecological disorder associated with isolated polycythemia and uterine fibroids. The primary feature of myomatous erythrocytosis syndrome is that hemoglobin goes back to its baseline level following the removal of the myoma .
I was wondering the same thing, but according to Harrison's some people distinguish the two terms: erythrocytosis indicates increased red cell mass and polycythemia refers to an increase in the number of red cells (EPO use etc.). I'm not voting against the merge, just wanted to bring this detail to attention.
HbF is composed of two α globins and two γ globins (α 2 γ 2). [13] Adult Hb (HbA) is the predominant Hb in children by six months of age and onward; it constitutes 96-97% of total Hb in individuals without a hemoglobinopathy. It is composed of two α globins and two β globins (α 2 β 2). [14]
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