Table 7:
Recommendations for 2nd surveillance stratified by adenoma findings at baseline and 1st surveillance
| Baseline Finding | Recommended interval for 1st surveillance | Finding at 1st surveillance | Recommended interval for next surveillance |
|---|---|---|---|
| 1 to 2 tubular adenomas < 10 mm | 7 to 10 years | Normal colonoscopy | 10 years |
| 1 to 2 tubular adenomas < 10 mm | 7 to 10 years | ||
| 3 to 4 tubular adenomas < 10 mm | 3 to 5 years | ||
| Adenoma ≥10 mm in size;
or Adenoma with tubulovillous/villous histology; or Adenoma with high grade dysplasia; or 5 to 10 adenomas < 10 mm |
3 years | ||
| 3 to 4 tubular adenomas < 10 mm | 3 to 5 years | Normal colonoscopy | 10 years |
| 1 to 2 tubular adenomas < 10 mm | 7 to 10 years | ||
| 3 to 4 tubular adenomas < 10 mm | 3 to 5 years | ||
| Adenoma ≥10 mm in size;
or Adenoma with tubulovillous/villous histology; or Adenoma with high grade dysplasia; or 5 to 10 adenomas < 10 mm |
3 years | ||
| Adenoma ≥10 mm in size;
or Adenoma with tubulovillous/villous histology; or Adenoma with high grade dysplasia; or 5 to10 adenomas < 10 mm |
3 years | Normal colonoscopy | 5 years |
| 1 to 2 tubular adenomas < 10 mm | 5 years | ||
| 3 to 4 tubular adenomas < 10 mm | 3 to 5 years | ||
| Adenoma ≥10 mm in size;
or Adenoma with tubulovillous/villous histology; or Adenoma with high grade dysplasia; or 5 to 10 adenomas < 10 mm |
3 years |
Normal colonoscopy is defined by colonoscopy where no adenoma, SSP, or CRC is found