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Thursday 8 October · 14:05 · Studio 2 (Complex)

Surveillance Colonoscopy: Are We Doing Too Much?

Complex — Lower GID1C-05
The best surveillance interval might be longer than you think.

The courage-to-do-less session, and the day's arc closing on itself: much of the surveillance burden is the invoice for yesterday's incomplete polypectomy — the masterclass two hours ago was also a surveillance-reduction intervention.

Running order (indicative)

Head
Dr Lobke Desomer
anchors the studio throughout
Talk 1
Dr Barbara Bastiaansen
Are We Doing Too Much — and Following the Guidelines Anyway?
Talk 2
Prof Matthew Rutter
Surveillance in the Elderly and Frail: When Stopping Is the Better Medicine
Live case
Dr John AndersonProf Gianluca Esposito
Surveillance colonoscopy with prior polyps — interval decision & withdrawal quality
Discussion
All
remaining session time

The session, as written

Lecture 1 — Current controversies: too much, and against the guidelines anyway. (Bastiaansen). Not a recital of intervals but a critique of the enterprise: guideline abuse and patient demand (Belgium's over-surveillance said out loud), the cost of early repeats and recall-system error — and the Kaminski paradox: the poor detector generates less surveillance and more cancer, so surveillance volume is the wrong thing to be proud of in both directions.

Lecture 2 — Surveillance in the elderly and frail: when stopping is the better medicine. (Rutter — chair of the BSG guideline revision). Frailty over chronological age, the pointlessness of resecting a one-centimetre lesion in someone's final years, and assigning the interval at the index scope — the route to cutting surveillance volume by roughly a third.

Live cases — the interval, decided live. Two surveillance colonoscopies with real polyp histories; the audience votes the interval (1, 3, 5 years — or discharge) against the guideline, then watches what the examination finds.

Stop / Start / Measure
Stop reflex three-year recalls; start guideline-concordant intervals assigned at the index scope; measure surveillance colonoscopies with no significant finding.

Who's who in this session

GIEQs VII · Value for Money in Everyday Endoscopy · 7–9 October 2026, Ghent · no patient information is contained in this page