Comparing cold snare piecemeal resection and cold snare endoscopic mucosal resection for removing large colon polyps

You may qualify if

• ≥ 18 years of age
• Presenting for a screening, surveillance, diagnostic, or therapeutic colonoscopy
• Found to have:; a sessile serrated lesion or hyperplastic polyp ≥ 10 mm during procedure (Serrated Cohort) or; a 10-19 mm conventional adenoma during procedure (Adenoma Cohort)
• Ability to provide informed consent

You can't join if

• Pedunculated or semi-pedunculated polyps (as defined by Paris Classification type Ip or Isp)
• Polyps confirmed to be anything other than:; sessile serrated lesion or hyperplastic polyp on histologic diagnosis (Serrated Cohort) or; conventional adenoma on histologic diagnosis (Adenoma Cohort)
• Patients with Ulcerative Colitis or Crohn's disease
• Polyps with features suggestive of submucosal invasion
• Polyps that are not able to be removed endoscopically due to location (e.g. extending into appendiceal orifice or diverticulum)
• Patients with a known or suspected diagnosis of any of the following polyposis syndromes with known genetic mutations:; Familial Adenomatous Polyposis Syndrome; MUTYH associated Polyposis Syndrome; Juvenile Polyposis Syndrome; Cowden's Syndrome; Peutz-Jeghers Syndrome
• Subjects whose colonoscopy procedure is not able to be completed due to bowel prep precluding polyp identification.