Predictors of complete endoscopic mucosal resection of flat and depressed gastrointestinal neoplasia of the colon

The American Journal of Gastroenterology
Timothy A WoodwardMichael Wallace

Abstract

We evaluated risk factors for residual neoplasia on first follow-up endoscopy after colonic endoscopic mucosal resections (EMRs). This retrospective study in a high-volume EMR tertiary-referral center examined EMRs on 423 colonic lesions in 313 patients. Residual neoplasia at first follow-up endoscopy was present following 12% of colonic EMRs. Single-variable analysis showed evidence of an increased risk of residual neoplasia for larger polyps, polyps without a lifting sign, and polyps removed piecemeal. In multivariable analysis, only use of the piecemeal method was independently associated with residual neoplasia. Additional procedures are needed to complete resection in more than 1 in 10 colonic EMRs. Residual neoplasia occurs more often with piecemeal resection. Close surveillance after EMR and the use of newer methods to further reduce residual neoplasia are needed.

Associated Clinical Trials

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Citations

Feb 18, 2016·Minimally Invasive Therapy & Allied Technologies : MITAT : Official Journal of the Society for Minimally Invasive Therapy·Silvia QuaresimaAlessandro M Paganini
Apr 8, 2015·The American Journal of Gastroenterology·Shiro OkaUNKNOWN Colorectal Endoscopic Resection Standardization Implementation Working Group of the Japanese Society for Cancer of the Colon
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