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The causes of diverticulitis are unclear. [1] Risk factors may include obesity, lack of exercise, smoking, a family history of the disease, and use of nonsteroidal anti-inflammatory drugs (NSAIDs). [1] [2] The role of a low fiber diet as a risk factor is unclear. [2] Having pouches in the large intestine that are not inflamed is known as ...
This disease spectrum includes diverticulitis, symptomatic uncomplicated diverticular disease (SUDD), and segmental colitis associated with diverticulosis (SCAD). [2] The most common symptoms across the disease spectrum are abdominal pain and bowel habit changes such as diarrhea or constipation.
Diverticulitis is defined as diverticular disease with signs and symptoms of diverticular inflammation. Clinical features of acute diverticulitis include constant abdominal pain, localized abdominal tenderness in the left lower quadrant of the abdomen, nausea, vomiting, constipation or diarrhea, fever and leukocytosis .
Having said that, the exact relationship between fiber and having diverticula (with and without symptoms) is not very clear, but dietary fiber is associated with a decreased risk of symptomatic diverticular disease, and on the flip side a diet high in fatty foods and red meat is associated with an increased risk of symptomatic diverticular disease.
If symptoms do occur, they typically appear before the age of two years. [5] The most common presenting symptom is painless rectal bleeding such as melaena-like black offensive stools, followed by intestinal obstruction, volvulus and intussusception. Occasionally, Meckel's diverticulitis may present with all the features of acute appendicitis. [6]
Pattern A is characterized by involvement of crescentic folds and is the most common type of SCAD (52%). [2] Pattern B has an appearance similar to mild-to moderate ulcerative colitis (30.40%), whereas pattern C appears similar to Crohn's disease (10.90%). [2] Pattern D is the least common, and appears similar to severe ulcerative colitis (6.50 ...