{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,4]],"date-time":"2026-02-04T12:07:34Z","timestamp":1770206854965,"version":"3.49.0"},"reference-count":18,"publisher":"Korean Association for the Study of Intestinal Diseases","issue":"1","license":[{"start":{"date-parts":[[2026,1,28]],"date-time":"2026-01-28T00:00:00Z","timestamp":1769558400000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/3.0\/"}],"content-domain":{"domain":["irjournal.org"],"crossmark-restriction":true},"short-container-title":["Intest Res"],"published-print":{"date-parts":[[2026,1,31]]},"abstract":"Background\/Aims: Cold snare polypectomy (CSP) is recommended for colorectal polyps <10 mm; however, the impact of snare size on clinical outcomes remains unclear. This study evaluated the efficacy and safety of 10-mm and 15-mm snares for CSP of small colorectal polyps.Methods: In this prospective multicenter study, patients with 4\u201310 mm non-pedunculated polyps underwent CSP with either a 10-mm or 15-mm snare. Both snares had identical wire thickness and hexagonal loop design. The primary outcome was histological complete resection rate (CRR). Secondary outcomes included adverse events and technical parameters.Results: In total, 182 patients were enrolled (10-mm group: n = 92; 15-mm group: n = 90). Baseline characteristics, including age, sex, polyp size, morphology, location, and pathology, were comparable between groups. Histological CRRs were 90.2% in the 10-mm group and 91.1% in the 15-mm group (<i>P<\/i>= 0.483). No significant differences were observed in the presence of submucosal tissue within specimens (<i>P<\/i>= 0.523), iatrogenic ulcer size (<i>P<\/i>= 0.532), hematoma occurrence (<i>P<\/i>= 0.391), or intraprocedural bleeding requiring hemostasis (6.5% vs. 5.6%; <i>P<\/i>= 0.974). No cases of delayed bleeding or perforation were reported. Logistic regression analysis identified iatrogenic ulcer size > 8 mm as an independent predictor of complete resection (odds ratio, 3.89; 95% confidence interval, 1.15\u201313.21; <i>P<\/i>= 0.029); snare size was not significantly associated with CRR (<i>P<\/i>= 0.519).Conclusions: CSP using either a 10-mm or a 15-mm snare for 4\u201310 mm non-pedunculated colorectal polyps showed no significant difference in complete resection or safety outcomes within this size range. 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