Yuichiro Hirai et al. Procedural outcomes of a novel underwater injection endoscopic
mucosal resection technique for colorectal polyps ≥10 mm
A novel underwater injection endoscopic mucosal resection (EMR) technique was used
for 135 polyps
of ≥10 mm in this retrospective single-center study. En bloc and R0
resection were achieved in 94.1% and 68.2% of lesions, respectively, with
two adverse events (1.5%), both delayed bleeding. A clear vertical margin
was obtained in all seven T1 colorectal cancers, which ranged in size from
15 to 30 mm. Further studies comparing this technique with traditional
underwater EMR and conventional EMR are required.