Colonic polyps

Question 1

Low risk

Answer 1

1 or 2 adenomas less than 1cm

No follow up or re-colonoscopy at 5 years

Question 2

Moderate risk

Answer 2

3 or 4 small adenomas or 1 adenoma greater than 1cm

Re-scope at 3 years

Question 3

High risk

Answer 3

More than 5 small adenomas or more than 3 with 1 of them greater than 1cm
Re scope at 1 year

Question 4

Risk of malignancy

Answer 4

The risk of malignancy in association with adenomas is related to size, and is the order of 10% in a 1cm adenoma

Question 5

Segmental resection or complete colectomy should be considered when

Answer 5

1. Incomplete excision of malignant polyp
2. Malignant sessile polyp
3. Malignant pedunculated polyp with submucosal invasion
4. Polyps with poorly differentiated carcinoma
5. Familial polyposis coli
   - Screening from teenager up to 40 years by 2 yearly sigmoidoscopy/colonoscopy
   - Panproctocolectomy and Ileostomy or Restorative Panproctocolectomy.