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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 ...
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 ...
Besides, bowel wall oedema with adjacent hyperechoic mesentery can also be seen on ultrasound. However, CT scan is the mainstay of diagnosing diverticulitis and its complications. [12] The diagnosis of acute diverticulitis is made confidently when the involved segment contains diverticula. [42] CT images reveal localized colon wall thickening ...
Diverticulosis is the condition of having multiple pouches (diverticula) in the colon that are not inflamed. These are outpockets of the colonic mucosa and submucosa through weaknesses of muscle layers in the colon wall. [1] Diverticula do not cause symptoms in most people. [2]
Colonic wall structure – points of blood vessel entry in the colonic wall are weaker and more prone to mucosal herniation. Fiber intake – although it is widely believed that low fiber diet is associated with diverticulosis and diverticular disease, recent studies have not confirmed the association but has shown that increased fiber intake ...
Other methods of imaging include computed tomography (CT) and magnetic resonance imaging (MRI). Both may depict colonic wall thickening but have decreased ability to find early signs of wall changes when compared to barium enema. In cases of severe ulcerative colitis, however, they often exhibit equivalent ability to detect colonic changes. [70]
The full thickness of the rectal wall is incised at a level just above the dentate line. Redundant rectal and sigmoid wall is removed and the new edge of colon is reconnected (anastomosed) with the anal canal with stitches or staples. [10] This procedure may be combined with levatorplasty, to tighten the pelvic muscles. [7]
Sigmoid colon volvulus, also known as sigmoid volvulus, is volvulus affecting the sigmoid colon.It is a common cause of bowel obstruction [1] and constipation.It is common in Asia, India (7% of intestinal obstruction) and especially South India because of the high fibre diet.