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Pernicious anemia is the most common cause of clinically evident vitamin B 12 deficiency worldwide. [14] Pernicious anemia due to autoimmune problems occurs in about one per 1000 people in the US. Among those over the age of 60, about 2% have the condition. [8] It more commonly affects people of northern European descent. [2]
List of autoimmune diseases. Dermatosis in Crohn's disease. Demyelination in MS. PAS stain of lupus nephritis. Autoimmune urticaria. Proptosis in Graves' disease. This article provides a list of autoimmune diseases. These conditions, where the body's immune system mistakenly attacks its own cells, affect a range of organs and systems within the ...
Autoimmune hemolytic anemia (AIHA) is an autoimmune disorder which occurs when antibodies directed against the person's own red blood cells (RBCs) cause them to burst (lyse), leading to an insufficient number of oxygen-carrying red blood cells in circulation (anemia). The lifetime of the RBCs is reduced from the normal 100–120 days to just a ...
Pernicious anemia is the most common cause of vitamin B 12 deficiency anemia in adults, which results from malabsorption of vitamin B 12 due to a lack or loss of intrinsic factor. [2] [8] There are relatively few studies which have assessed the impact of haematological measures in response to B 12 supplementation.
An autoimmune disease is a condition that results from an anomalous response of the adaptive immune system, wherein it mistakenly targets and attacks healthy, functioning parts of the body as if they were foreign organisms. [1] It is estimated that there are more than 80 recognized autoimmune diseases, with recent scientific evidence suggesting ...
Hemolytic anemia or haemolytic anaemia is a form of anemia due to hemolysis, the abnormal breakdown of red blood cells (RBCs), either in the blood vessels (intravascular hemolysis) or elsewhere in the human body (extravascular). [2] This most commonly occurs within the spleen, but also can occur in the reticuloendothelial system or mechanically ...
Pancytopenia is a medical condition in which there is significant reduction in the number of almost all blood cells (red blood cells, white blood cells, platelets, monocytes, lymphocytes, etc.). If only two parameters from the complete blood count are low, the term bicytopenia can be used. The diagnostic approach is the same as for pancytopenia.
Immune disorder. An immune disorder is a dysfunction of the immune system. [1] These disorders can be characterized in several different ways: According to the International Union of Immunological Societies, more than 150 primary immunodeficiency diseases (PIDs) have been characterized. [2] However, the number of acquired immunodeficiencies ...