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  2. Gastrointestinal wall - Wikipedia

    en.wikipedia.org/wiki/Gastrointestinal_wall

    Invasion of tumours through the layers of the gastrointestinal wall is used in staging of tumour spread. This affects treatment and prognosis. The normal thickness of the small intestinal wall is 3–5 mm, [6] and 1–5 mm in the large intestine. [7] Focal, irregular and asymmetrical gastrointestinal wall thickening suggests a malignancy. [7]

  3. Organomegaly - Wikipedia

    en.wikipedia.org/wiki/Organomegaly

    Wall thickening: 3 mm wall thickness [5] Hydrops: Greater than 5 cm transverse dimension [6] Heart: Cardiomegaly: Medical imaging: Indicated by cardiothoracic ratio over 0.5. [7] Autopsy: Cardiomegaly has been suggested when the heart weighs more than >399 grams in women and >449 grams in men. [8] Large intestine: Dilation Upper limit of normal ...

  4. Gastrointestinal disease - Wikipedia

    en.wikipedia.org/wiki/Gastrointestinal_disease

    The normal thickness of the small intestinal wall is 3–5 mm, [8] and 1–5 mm in the large intestine. [9] Focal, irregular and asymmetrical gastrointestinal wall thickening on CT scan suggests a malignancy. [9] Segmental or diffuse gastrointestinal wall thickening is most often due to ischemic, inflammatory or infectious disease. [9]

  5. Ulcerative colitis - Wikipedia

    en.wikipedia.org/wiki/Ulcerative_colitis

    Ulcerative colitis is an autoimmune disease characterized by T-cells infiltrating the colon. [43] No direct causes for UC are known, but factors such as genetics, environment, and an overactive immune system play a role. [1] UC is associated with comorbidities that produce symptoms in many areas of the body outside the digestive system.

  6. Segmental colitis associated with diverticulosis - Wikipedia

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

    Fecal calprotectin, a marker of colon inflammation, may be elevated. Computed tomography of the abdomen is not routinely necessary, but may show thickening or inflammation in the distal colon (sigmoid colon) with associated diverticulosis. Treatment may consist of antibiotics, aminosalicylates (mesalamine), or prednisone. In rare cases, surgery ...

  7. Intestinal ischemia - Wikipedia

    en.wikipedia.org/wiki/Intestinal_ischemia

    The treatment of intestinal ischemia depends on the cause and can be medical or surgical. However, if bowel has become necrotic, the only treatment is surgical removal of the dead segments of bowel. [34] In non-occlusive disease, where there is no blockage of the arteries supplying the bowel, the treatment is medical rather than surgical ...

  8. Sigmoid colon - Wikipedia

    en.wikipedia.org/wiki/Sigmoid_colon

    Diverticulosis often occurs in the sigmoid colon in association with increased intraluminal pressure and focal weakness in the colonic wall. It is a common cause of hematochezia. Volvulus occurs when a portion of the bowel twists around its mesentery, which can lead to obstruction and infarction. Volvulus in the elderly commonly occurs in the ...

  9. Inflammatory bowel disease - Wikipedia

    en.wikipedia.org/wiki/Inflammatory_bowel_disease

    Low levels of vitamin D are associated with crohn's disease and ulcerative colitis and people with more severe cases of inflammatory bowel disease often have lower vitamin D levels. It is not clear if vitamin D deficiency causes inflammatory bowel disease or is a symptom of the disease. [ 90 ]