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On CT imaging, the small bowel feces sign appears as a mottled, mixed-density pattern within a distended small bowel loop. It is typically located proximal to the site of obstruction and is often accompanied by other features of small bowel obstruction, such as: [5] Dilated bowel loops: Loops proximal to the obstruction exhibit dilation (>2.5-3 ...
Bowel obstruction, also known as intestinal obstruction, is a mechanical or functional obstruction of the intestines which prevents the normal movement of the products of digestion. [2] [5] Either the small bowel or large bowel may be affected. [1] Signs and symptoms include abdominal pain, vomiting, bloating and not passing gas. [1]
An anatomic lead point (that is, a piece of intestinal tissue that protrudes into the bowel lumen) is present in approximately 10% of intussusceptions. [5] The lead point (best exemplified by a polyp) serves as a focal area of traction, which the peristaltic action pulls into the distal bowel, thus invaginating the attached bowel segment. [6 ...
Ogilvie syndrome, or acute colonic pseudo-obstruction, is the acute dilatation of the colon in the absence of any mechanical obstruction in severely ill patients. [ 1 ] Acute colonic pseudo-obstruction is characterized by massive dilatation of the cecum (diameter > 10 cm) and right colon on abdominal X-ray.
An enterocele is a protrusion of peritoneal folds between the rectum and the vagina containing a loop of the small intestine. [19] It is abnormal descent of the small bowel in a deep pouch of Douglas. [20] Enterocoele may develop because of weakening pelvic floor, multiple pregnancies, hysterectomy, and long term chronic straining.
Once a fistula has formed, a stone may travel from the gallbladder into the bowel and become lodged almost anywhere along the gastrointestinal tract. Obstruction occurs most commonly at the near the distal ileum, within 60 cm proximally to the ileocecal valve. [2] [3] Rarely, gallstone ileus may recur if the underlying fistula is not treated. [4]
The procedure involves counterclockwise detorsion of the bowel, surgical division of Ladd's bands (shown in image), widening of the small intestine's mesentery, performing an appendectomy, and reorientation of the small bowel on the right and the cecum and colon on the left (the appendectomy is performed so as not to be confused by atypical ...
Intestinal pseudo-obstruction (IPO) is a clinical syndrome caused by severe impairment in the ability of the intestines to push food through. It is characterized by the signs and symptoms of intestinal obstruction without any lesion in the intestinal lumen. [1]