Surveillance of colonic polyps: Are we getting it right?

Table 2 American Gastroenterological Association 2012[80]

Findings at index procedure	Suggested surveillance interval	Strength of evidence
No polyps/small (< 10 mm) rectosigmoid hyperplastic	10 yr	Moderate
1-2 small (< 10 mm) tubular adenomas	5–10 yr	Moderate
3-10 tubular adenomas	3 yr	Moderate
> 10 adenomas	< 3 yr	Moderate
One tubular adenoma ≥ 10 mm	3 yr	High
One villous adenoma	3 yr	Moderate
Adenoma with high grade dysplasia (HGD)	3 yr	Moderate
Serrated lesions
Sessile serrated polyp (SSP) < 10 mm with no dysplasia	5 yr	Low
SSP ≥ 10 mm OR with dysplasia OR serrated adenoma	3 yr	Low
Serrated polyposis syndrome	1 yr	Moderate