Risk of Submucosal Invasion Calculator


    Colon Polyp ≥ 20mm in size


  • Demarcation Area - Area within a colorectal polyp where a regular pit/vascular pattern becomes disordered. e.g. NICE II to NICE III, Kudo III/IV to Kudo V, JNET 2A to JNET 2B/3
  • Granularity -


1. Burgess NG, Hourigan LF, Zanati SA, Brown GJ, Singh R, Williams SJ, et al. Risk Stratification for Covert Invasive Cancer Among Patients Referred for Colonic Endoscopic Mucosal Resection: A Large Multicenter Cohort. Gastroenterology. 2017 Sep;153(3):732–742.e1.

Score Adapted for GIEQs.com by David Tate:

With thanks to Nick Burgess for supplying the original study data

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