A patient with a 1.5 cm pedunculated colon polyp was removed by snare polypectomy. Pathology showed invasive well-differentiated to moderately differentiated colonic adenocarcinoma arising in association with a tubular adenoma with high-grade dysplasia. The distance of invasive carcinoma from the deep margin was 0.725 mm. Colectomy was done.

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Malignant Colon Polyp-0.725 mm Margin

  • Jean H. Ashburn,
  • Gregory Zuccaro,
  • Homer O. Wiland,
  • Eric W. Willis,
  • James S. Wu

摘要

A patient with a 1.5 cm pedunculated colon polyp was removed by snare polypectomy. Pathology showed invasive well-differentiated to moderately differentiated colonic adenocarcinoma arising in association with a tubular adenoma with high-grade dysplasia. The distance of invasive carcinoma from the deep margin was 0.725 mm. Colectomy was done.