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Atrophic gastritis under low power. H&E stain. Autoimmune metaplastic atrophic gastritis (AMAG) is an inherited form of atrophic gastritis characterized by an immune response directed toward parietal cells and intrinsic factor. [6] Achlorhydria induces G cell (gastrin-producing) hyperplasia, which leads to hypergastrinemia.
Gastritis is the inflammation of the lining of the stomach. [1] It may occur as a short episode or may be of a long duration . [ 1 ] There may be no symptoms but, when symptoms are present, the most common is upper abdominal pain (see dyspepsia ). [ 1 ]
Autoimmune disorders are also a cause for small bacterial growth in the bowel and a deficiency of Vitamin B-12. These have also proved to be factors of acid secretion in the stomach. [7] Autoimmune conditions can often be managed with various treatments; however, little is known about how or if these treatments effect achlorhydria. [5]
Many of these disorders persist on a strict gluten-free diet (GF diet or GFD), and are thus independent of coeliac disease after triggering. For example, autoimmune thyroiditis is a common finding with GSE. However, GSEs' association with disease is not limited to common autoimmune diseases.
Atrophic gastritis; Autoimmune autonomic ganglionopathy; Autoimmune disease in women; Autoimmune urticaria; List of autoimmune diseases; Autoimmune encephalitis; Autoimmune enteropathy; Autoimmune gastrointestinal dysmotility; Autoimmune GFAP astrocytopathy; Autoimmune hemolytic anemia; Autoimmune hypophysitis; Autoimmune inner ear 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 body. Each disorder is listed with the primary organ or body part that it affects and the associated autoantibodies that are typically found in people diagnosed ...
Risks for gastric cancer include chronic gastritis or inflammation. This can be caused by H. pylori infection, autoimmune gastritis, [15] high salt diet, and smoking. [16] Colorectal cancer risk increases with increased consumption of red meat, low fiber diet, alcohol use, and obesity.
Most patients with autoimmune polyendocrine syndrome type 3 have autoimmune thyroid diseases associated with only one other autoimmune disease; these associations are most frequently with either type 1 diabetes (20–30% of cases) [5] or chronic atrophic gastritis (39 percent of cases). [6]