Colon Adenoma

A 73 year-old woman underwent a screening colonoscopy, which found a polypoid mass in the ascending colon. The mass was resected using a snare around the stalk.

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Questions

  1. What type of polyp was resected?
  2. What are the appropriate gross and microscopic descriptions of the polyp?
  3. What histologic features distinguish the abnormal areas?
  4. What is the relationship between this lesion and colon carcinoma?

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