{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,7,30]],"date-time":"2025-07-30T09:57:24Z","timestamp":1753869444963,"version":"3.41.2"},"reference-count":9,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2025,2,9]],"date-time":"2025-02-09T00:00:00Z","timestamp":1739059200000},"content-version":"vor","delay-in-days":8,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["JGH Open"],"published-print":{"date-parts":[[2025,2]]},"abstract":"<jats:title>ABSTRACT<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>Polypectomy\u2010associated bleeding is the most frequent\u00a0complication of colorectal polypectomy.<\/jats:p><\/jats:sec><jats:sec><jats:title>Case Presentation<\/jats:title><jats:p>An 82\u2010year\u2010old woman underwent polypectomy after an endoloop was placed in a pedunculated polyp in the sigmoid colon. However, the endoloop dislodged, causing massive bleeding from the stem surface. Furthermore, the bleeding vessel could not be identified because of the narrow resection surface and the presence of thrombus and hemorrhage. Therefore, several clips were removed, and polypectomy was performed again on the resection stem to open the resection surface wider and identify the bleeding vessels. Finally, the responsible arterial vessel appeared, leading to complete hemostasis.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>The additional stem resection may be a novel method for detecting uncontrolled bleeding after polypectomy for colorectal pedunculated polyps.<\/jats:p><\/jats:sec>","DOI":"10.1002\/jgh3.70117","type":"journal-article","created":{"date-parts":[[2025,2,11]],"date-time":"2025-02-11T11:28:48Z","timestamp":1739273328000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Additional Stem Resection for Control of Massive Bleeding After Polypectomy for a Pedunculated Colonic Polyp"],"prefix":"10.1002","volume":"9","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-9574-0479","authenticated-orcid":false,"given":"Shima","family":"Mimura","sequence":"first","affiliation":[{"name":"Department of Gastroenterology and Neurology, Faculty of Medicine Kagawa University  Kitagun Kagawa Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kazuhiro","family":"Kozuka","sequence":"additional","affiliation":[{"name":"Department of Gastroenterology and Neurology, Faculty of Medicine Kagawa University  Kitagun Kagawa Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yui","family":"Kinouchi","sequence":"additional","affiliation":[{"name":"Department of Gastroenterology and Neurology, Faculty of Medicine Kagawa University  Kitagun Kagawa Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yukiko","family":"Koyama","sequence":"additional","affiliation":[{"name":"Department of Gastroenterology and Neurology, Faculty of Medicine Kagawa University  Kitagun Kagawa Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Toshiharu","family":"Funaki","sequence":"additional","affiliation":[{"name":"Kaisei General Hospital, Social Medical Corporation Taijukai Foundation  Sakaide Kagawa 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