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  2. Sickle cell disease - Wikipedia

    en.wikipedia.org/wiki/Sickle_cell_disease

    Sickle cell disease ( SCD ), also simply called sickle cell, is a group of hemoglobin-related blood disorders typically inherited. [2] The most common type is known as sickle cell anemia. [2] It results in an abnormality in the oxygen-carrying protein haemoglobin found in red blood cells. [2] This leads to a rigid, sickle -like shape under ...

  3. Sickle cell trait - Wikipedia

    en.wikipedia.org/wiki/Sickle_cell_trait

    Hematology. Sickle cell trait describes a condition in which a person has one abnormal allele of the hemoglobin beta gene (is heterozygous ), but does not display the severe symptoms of sickle cell disease that occur in a person who has two copies of that allele (is homozygous ). Those who are heterozygous for the sickle cell allele produce ...

  4. Vaso-occlusive crisis - Wikipedia

    en.wikipedia.org/wiki/Vaso-occlusive_crisis

    Neuropathic pain, hyperalgesia, osteomyelitis. A vaso-occlusive crisis is a common painful complication of sickle cell anemia in adolescents and adults. [1] [2] It is a form of sickle cell crisis. Sickle cell anemia – most common in those of African, Hispanic, and Mediterranean origin – leads to sickle cell crisis when the circulation of ...

  5. U.S. approves two sickle cell gene therapies, which doctors ...

    www.aol.com/news/u-approves-two-sickle-cell...

    Sickle cell disease is a rare, debilitating and life-threatening blood disorder with significant unmet need,” the FDA’s Dr. Nicole Verdun said in a statement announcing the approvals.

  6. Asplenia - Wikipedia

    en.wikipedia.org/wiki/Asplenia

    Asplenia. Specialty. Medical genetics. Asplenia refers to the absence of normal spleen function and is associated with some serious infection risks. Hyposplenism is used to describe reduced ('hypo-') splenic functioning, but not as severely affected as with asplenism. Functional asplenia occurs when splenic tissue is present but does not work ...

  7. Childhood chronic illness - Wikipedia

    en.wikipedia.org/wiki/Childhood_chronic_illness

    These children will also have an impaired immune system which increases their risk of severe infection and death. Childhood Overweight and Obesity. Overweight and obesity in children is a chronic illness that has been steadily increasing in prevalence in the US. This disease disproportionately impacts low-income and minority communities.

  8. Heterozygote advantage - Wikipedia

    en.wikipedia.org/wiki/Heterozygote_advantage

    Sickle-cell anemia. Sickle-cell anemia (SCA) is a genetic disorder caused by the presence of two incompletely recessive alleles. When a sufferer's red blood cells are exposed to low-oxygen conditions, the cells lose their healthy round shape and become sickle-shaped. This deformation of the cells can cause them to become lodged in capillaries ...

  9. Newborn screening - Wikipedia

    en.wikipedia.org/wiki/Newborn_screening

    Early identification of individuals with sickle cell disease and other hemoglobinopathies allows treatment to be initiated in a timely fashion. Penicillin has been used in children with sickle cell disease, and blood transfusions are used for patients identified with severe thalassemia. Organic acidemias

  10. Hypochromic anemia - Wikipedia

    en.wikipedia.org/wiki/Hypochromic_anemia

    Hypochromic anemia is a generic term for any type of anemia in which the red blood cells are paler than normal. ( Hypo - refers to less, and chromic means colour .) A normal red blood cell has a biconcave disk shape and will have an area of pallor in its center when viewed microscopically. In hypochromic cells, this area of central pallor is ...

  11. Sickle cell nephropathy - Wikipedia

    en.wikipedia.org/wiki/Sickle_cell_nephropathy

    Sickle cell nephropathy is a type of nephropathy associated with sickle cell disease which causes kidney complications as a result of sickling of red blood cells in the small blood vessels. The hypertonic and relatively hypoxic environment of the renal medulla , coupled with the slow blood flow in the vasa recta , favors sickling of red blood ...

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