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Duodenal lymphocytosis, sometimes called lymphocytic duodenitis, lymphocytic duodenosis, or duodenal intraepithelial lymphocytosis, is a condition where an increased number of intra-epithelial lymphocytes is seen in biopsies of the duodenal mucosa when these are examined microscopically.
Duodenal-type follicular lymphoma (DFL) is a form of lymphoma in which certain lymphocyte types, the B-cell-derived centrocytes and centroblasts, form lymph node follicle-like structures principally in the duodenum and other parts of the small intestine. It is an indolent disease which on rare occasions progresses to a more aggressive lymphoma ...
Epstein–Barr virus–associated lymphoproliferative diseases (also abbreviated EBV-associated lymphoproliferative diseases or EBV+ LPD) are a group of disorders in which one or more types of lymphoid cells (a type of white blood cell), i.e. B cells, T cells, NK cells, and histiocytic-dendritic cells, are infected with the Epstein–Barr virus (EBV).
Duodenal lymphocytosis; Idiopathic; Types. Acute duodenitis; Chronic duodenitis; Diagnosis. ... Treatment is aimed at removing the irritant or infection.
It is due to impaired water, carbohydrate and electrolyte absorption or irritation from unabsorbed fatty acid. The latter also results in bloating , flatulence and abdominal discomfort. Cramping pain usually suggests obstructive intestinal segment e.g. in Crohn's disease , especially if it persists after defecation.
These lesions may occur at multiple sites or spread throughout large areas of the GI tract. Biopsied tissues show abnormally broad intestinal villi caused by the infiltration of sheets of uniformly-sized lymphocytes. These lymphocytes may also infiltrate and disrupt the architecture of nearby intestinal crypts and the epithelial lining.
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The mucosa-associated lymphoid tissue (MALT), also called mucosa-associated lymphatic tissue, is a diffuse system of small concentrations of lymphoid tissue found in various submucosal membrane sites of the body, such as the gastrointestinal tract, nasopharynx, thyroid, breast, lung, salivary glands, eye, and skin.