Guidelines recommendations | ||
Examples | Old guidelines: Colonoscopy that visualises the entire colon should be performed at the time of diagnosisa. If this is not possible, colonoscopy should be performed within 3–6 months of surgery. Colonoscopy should be performed 3–5 years after surgery. | New guidelines: Colonoscopy should be performed one year after the resection, unless a complete post-operative colonoscopy has been performed sooner. |
Classification of adherence | ||
Colonoscopy at diagnosis; no colonoscopy reported at 12 month follow up | Adherent | Non-adherent |
Colonoscopy at diagnosis; followed by colonoscopy 12 months later | Non-adherent | Adherent |
Colonoscopy at diagnosis, and then another colonoscopy within 6 months of surgery | Adherent | Adherent |
Colonoscopy 6 months post surgery; no subsequent colonoscopy reported at 12 month follow up | Adherent | Adherent |
Colonoscopy 6 months post surgery; subsequent colonoscopy reported at 12 month follow up | Non-adherent | Non-adherent |