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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 ...
The colour of the cytoplasm changes from blue at proerythroblast and basophilic stages to a pinkish red as a result of the increasing expression of haemoglobin as the cell develops. The nucleus is initially large in size and contains open chromatin. As red blood cells mature, the size of the nucleus decreases, until it finally disappears with ...
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. [3] Most of the health concerns associated with polycythemia vera are caused by the blood being thicker as a result of the increased red blood cells. It is ...
Folate-deficiency anemia (also known as dietary folate-deficiency anemia) is a condition that develops when the body does not have the adequate supply of folic acid available that is needed for the production of new healthy blood cells. [13] Nutritional megaloblastic anemia: D51.1, D52.0, D53.1: 29507: D000749
Microcytic anaemia; Microcytosis is the presence of red cells that are smaller than normal. Normal adult red cell has a diameter of 7.2 µm. Microcytes are common seen in with hypochromia in iron-deficiency anaemia, thalassaemia trait, congenital sideroblastic anaemia and sometimes in anaemia of chronic diseases.
Chronic mountain sickness (CMS) is a disease in which the proportion of blood volume that is occupied by red blood cells increases (polycythaemia) and there is an abnormally low level of oxygen in the blood ().
For less severe cases, treatment of iron-deficiency anemia includes dietary changes to incorporate iron-rich foods into regular oral intake and oral iron supplementation. [5] Foods rich in ascorbic acid (vitamin C) can also be beneficial, since ascorbic acid enhances iron absorption. [5] Oral iron supplements are available in multiple forms.
Hyperviscosity syndrome is a group of symptoms triggered by an increase in the viscosity of the blood.Symptoms of high blood viscosity include spontaneous bleeding from mucous membranes, visual disturbances due to retinopathy, and neurologic symptoms ranging from headache and vertigo to seizures and coma.