Efficacy and safety of cap-assisted endoscopic mucosal resection for treatment of nonlifting colorectal polyps

V. R. H. Van Der Voort, L. M. G. Moons, W. De Graaf, R. W. M. Schrauwen, W. L. Hazen, T. C. J. Seerden, F. P. Vleggaar, P. Didden*

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

5 Citations (Scopus)

Abstract

Background Suboptimal lifting increases complexity of endoscopic mucosal resection (EMR) for benign colorectal polyps. Cap-assisted EMR (EMR-C) may allow fibrotic polyp tissue to be captured in the snare. This study evaluated the efficacy and safety of EMR-C for benign nonlifting colorectal polyps. Methods This was a multicenter study, which prospectively registered all EMR-C procedures (2016 2018) for presumed benign nonlifting colorectal polyps. Results 70 nonlifting polyps with a median size of 25mm (interquartile range [IQR] 15 40) were treated with EMRC. Complete polyp removal was achieved in 68 (97.1%), including 47 (67.1 %) with EMR-C alone. Overall, 66 polyps showed benign histology, and endoscopic follow-up after a median of 6 months (IQR 6 10) showed recurrence in 19.7%. First (n = 10) and second (n = 2) benign recurrences were all treated endoscopically. Deep mural injury type III V occurred in 7.4% and was treated successfully with clips. Conclusion EMR-C may be an alternative therapeutic option for removal of benign nonlifting polyp tissue. Although recurrence still occurs, repeat endoscopic therapy usually leads to complete polyp clearance.

Original languageEnglish
Pages (from-to)509-514
Number of pages6
JournalEndoscopy
Volume54
Issue number5
DOIs
Publication statusPublished - 1 May 2022

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