Table 1

Endoscopy Surveillance as per UK and European Society of gastrointestinal endoscopy (ESGE) guidelines

ModalityRecommended age to startFrequency
Colonoscopy12–14 years1–2 years
Gastroscopy with cap or duodenoscopy25 years (including AFAP) 35 years in MAPAccording to modified Spigelman score and ampullary adenoma presence (table 2)
Post-surgery IAP, IRA or ileostomy endoscopic assessment<1 year after surgery1 year (consider 6 monthly if large polyp burden)
  • AFAP, attenuated, variant of familial adenomatous polyposis; IAP, ileoanal pouch; IRA, ileorectal anastomosis; MAP, MUTYH-associated polyposis .