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  2. Diverticulosis - Wikipedia

    en.wikipedia.org/wiki/Diverticulosis

    Segmental colitis associated with diverticulosis (SCAD) is a condition characterized by localized inflammation of the colon between diverticula (interdiverticular mucosa) while sparing the diverticular orifices. SCAD may lead to abdominal pain, especially in the left lower quadrant, intermittent rectal bleeding, and chronic diarrhea.

  3. Segmental colitis associated with diverticulosis - Wikipedia

    en.wikipedia.org/wiki/Segmental_colitis...

    Rectal biopsies show normal mucosa. It is important and occasional difficult to distinguish SCAD from inflammatory bowel disease (IBD). [1] [7] Biopsies reveal histologic findings that are identical in both conditions. [1] However, ulcerative colitis usually affects the rectum and inflammation in IBD extends to areas of the colon without ...

  4. Gut-associated lymphoid tissue - Wikipedia

    en.wikipedia.org/wiki/Gut-associated_lymphoid_tissue

    The gut-associated lymphoid tissue lies throughout the intestine, covering an area of approximately 260–300 m 2. [5] In order to increase the surface area for absorption, the intestinal mucosa is made up of finger-like projections (), covered by a monolayer of epithelial cells, which separates the GALT from the lumen intestine and its contents.

  5. Ulcerative colitis - Wikipedia

    en.wikipedia.org/wiki/Ulcerative_colitis

    The medications used to induce and maintain a remission somewhat overlap, but the treatments are different. Physicians first direct treatment to inducing remission, which involves relief of symptoms and mucosal healing of the colon's lining, and then longer-term treatment to maintain remission and prevent complications. [91]

  6. Peyer's patch - Wikipedia

    en.wikipedia.org/wiki/Peyer's_patch

    Peyer's patches (or aggregated lymphoid nodules) are organized lymphoid follicles, named after the 17th-century Swiss anatomist Johann Conrad Peyer. [1] They are an important part of gut associated lymphoid tissue usually found in humans in the lowest portion of the small intestine, mainly in the distal jejunum and the ileum, but also could be detected in the duodenum.

  7. Mucosa-associated lymphoid tissue - Wikipedia

    en.wikipedia.org/wiki/Mucosa-associated_lymphoid...

    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.

  8. Diversion colitis - Wikipedia

    en.wikipedia.org/wiki/Diversion_colitis

    Diversion colitis is an inflammation of the colon which can occur as a complication of ileostomy or colostomy, where symptoms may occur between one month and three years following surgery. [1] It also occurs frequently in a neovagina created by colovaginoplasty , with varying delay after the original procedure. [ 2 ]

  9. Solitary rectal ulcer syndrome - Wikipedia

    en.wikipedia.org/wiki/Solitary_rectal_ulcer_syndrome

    For example, the mucosal changes that occur with external rectal prolapse can be separated from the mucosal changes seen in SRUS. [ 6 ] The excessive pressure caused by straining (i.e. dyssynergic defecation and constipation) may in the long term lead to development of the spectrum of rectal prolapse conditions (mucosal versus full-thickness ...