Abdominal adhesions are bands of fibrous scar tissue that form on organs in the abdomen, causing the organs to stick to one another or to the wall of the abdomen. In people living in developed countries, this scar tissue most commonly develops after abdominal surgery, in which organs are handled by the surgical team and are shifted temporarily from their normal positions. It can also form in people who develop peritonitis, an infection that has spread to the membrane that covers the abdominal organs. Peritonitis commonly occurs after appendicitis or another abdominal infection. Another cause of adhesions is endometriosis, an inflammatory condition that affects some women and may involve the abdomen and serious abdominal trauma.
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