Table 1.
Comparison of Surveillance Interval Recommendations for Conventional Adenomas Provided in the 5 Guidelines
| Baseline colonoscopy finding | 2020 USMSTF | 2020 BSG/ACPGBI/PHE | 2020 ESGE | 2021JGES | 2022 Korea |
|---|---|---|---|---|---|
| 1–2 tubular adenomas < 10 mm | 7–10 yr | Return to screening | Return to screening | 3–5 yr | 5–10 yr |
| 3–4 tubular adenomas < 10 mm | 3–5 yr | Return to screening | Return to screening | 3 yr | 3–5 yr |
| 5–10 tubular adenomas < 10 mm | 3 yr | 3 yr | 3 yr | 3 yr | 3 yr |
| Adenoma ≥ 10 mm | 3 yr | 3 yra | 3 yr | 1–3 yr | 3 yr |
| Adenoma with high-grade dysplasia | 3 yr | 3 yra | 3 yr | 1–3 yr | 3 yr |
| Adenoma with villous histology < 10 mm | 3 yr | Return to screening | Return to screening | 1–3 yr | 3 yr |
| > 10 adenomas | 1 yr and consider genetic testing | Referred to BSG hereditary CRC guidelines (1–2 yr) | Genetic counseling | 1 yr | 1 yr and consider genetic testing |
| Piecemeal resection of adenoma > 20 mm | 6 mo | 2–6 mob | 3–6 mo | 6 mo | 6 mo |
a
The BSG/ACPGBI/PHE recommends surveillance after 3 years in the presence of 2 or more precancerous polyps.
b
The BSG/ACPGBI/PHE recommends checking the site once more 18 months after the original excision.
USMSTF, U.S. Multi-Society Task Force; BSG, British Society of Gastroenterology; ACPGBI, Association of Coloproctology of Great Britain and Ireland; PHE, Public Health England; ESGE, European Society of Gastrointestinal Endoscopy; JGES, Japan Gastroenterological Endoscopy Society; CRC, colorectal cancer.