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Gastroenterology clinic

Endoscopic management of large colonic polyps

Josh Butt, Gregor Brown

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Abstract

Most large colonic polyps can now be assessed and removed endoscopically, avoiding the need for surgical resection.

Article Extract

Remember
  • Most colorectal cancers arise from colonic polyps. Unsurprisingly, polypectomy has been shown to reduce both the expected incidence and mortality of colorectal cancer.
  • Large (20 mm or more) colonic polyps are relatively uncommon; over 90% of polyps detected at colonoscopy are 10 mm or less.
  • In the past, patients with large polyps were referred for surgical resection because safe and effective endoscopic polypectomy techniques were not available.
  • With modern endoscopic techniques virtually any benign polyp can now be safely and completely removed at day-procedure colonoscopy.
  • Given the ability to remove even very large colonic polyps endoscopically, the risk of malignancy is the main determinant of whether surgery is required.

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