Large bowel obstruction

clinical characteristics and causes of large bowel obstruction

• Most patients are older than 50 years of age.

• Lower abdominal cramping pain is gradual in onset.

• Abdominal distention is a prominent feature.

• Dilated loops of bowel with haustra distinguish the colon from the small bowel on abdominal x-rays or CT scans.

• Causes include obstructing neoplasm, diverticulitis, hematoma (trauma or bleeding disorder), and cecal or sigmoid volvulus.


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