Table 1

Comparison of EUQA 2013 and BSG/ACPGBI/PHE 2019 guidelines at index and first surveillance colonoscopies

EUQA 2013BSG/ACPGBI/PHE 2019
Index
 6 month+1 yearLNPCP piecemeal resectionLNPCP piecemeal resection without R0 en bloc excision
 1 yearHigh risk criteria:

  • ≥ 5 premalignant polyps or

  • One premalignant polyp ≥ 20 mm

Colorectal cancer
 3 yearsIntermediate risk:

  • 3–4premalignant polyps or

  • One premalignant polyp≥10 mm and<20 mm

High risk criteria:

  • ≥ 5 premalignant polyps

  • 2 or more premalignant polyps including at least one advanced colorectal polyp

 Routine screening by FITLow risk criteria:

  • 1–2 premalignant polyps (<10 mm each)

Absence of:

  • LNPCP

  • Cancer or

  • High risk criteria

Surveillance round
 6 month+1 yearLNPCP piecemeal resectionLNPCP piecemeal resection without R0 en bloc excision
 1 yearHigh risk criteria

  • ≥ 5 premalignant polyps or

  • One premalignant polyp ≥ 20 mm

Colorectal cancer
 3 years

  • Low risk criteria at 3 year surveillance

  • Negative or low risk criteria following 1 year surveillance

High risk criteria:

  • ≥ 5 premalignant polyps

  • 2 or more premalignant polyps including at least one advanced colorectal polyp

 5 years

  • Negative surveillance following intermediate criteria

  • Second negative surveillance following high risk criteria

n/a

  • BSG/ACPGBI/PHE, British Society of Gastroenterology/Association of Coloproctology of Great Britain and Ireland/Public Health England; EUQA, European Guidelines for Quality Assurance in Colorectal Cancer Screening and Diagnosis; LNPCP, large non-pedunculated colonic polyp.