{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,6]],"date-time":"2026-10-06T06:41:53Z","timestamp":1791268913272,"version":"4.1.0"},"reference-count":21,"publisher":"Wiley","issue":"S2","license":[{"start":{"date-parts":[[2014,4,20]],"date-time":"2014-04-20T00:00:00Z","timestamp":1397952000000},"content-version":"vor","delay-in-days":19,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Digestive Endoscopy"],"published-print":{"date-parts":[[2014,4]]},"abstract":"<jats:sec><jats:title>Background and Aim<\/jats:title><jats:p>Endoscopic resection (<jats:styled-content style=\"fixed-case\">ER<\/jats:styled-content>) is widely used as a minimally invasive therapy to remove superficial non\u2010ampullary duodenal tumor (<jats:styled-content style=\"fixed-case\">SNADT<\/jats:styled-content>). However, the indication criteria have not yet been clearly determined. At our institute, <jats:styled-content style=\"fixed-case\">ER<\/jats:styled-content> is done only for <jats:styled-content style=\"fixed-case\">SNADT<\/jats:styled-content> measuring \u226420\u2009mm. We report our findings on the therapeutic outcomes of <jats:styled-content style=\"fixed-case\">ER<\/jats:styled-content> of <jats:styled-content style=\"fixed-case\">SNADT<\/jats:styled-content>.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>We carried out <jats:styled-content style=\"fixed-case\">ER<\/jats:styled-content> in 47 patients with <jats:styled-content style=\"fixed-case\">SNADT<\/jats:styled-content>. Indication criteria for <jats:styled-content style=\"fixed-case\">ER<\/jats:styled-content> included a lesion suspected as high\u2010grade dysplasia or mucosal cancer and measuring \u226420\u2009mm. The <jats:styled-content style=\"fixed-case\">ER<\/jats:styled-content> methods used to carry out en bloc resection were endoscopic mucosal resection (<jats:styled-content style=\"fixed-case\">EMR<\/jats:styled-content>: 17 lesions) or endoscopic submucosal dissection (<jats:styled-content style=\"fixed-case\">ESD<\/jats:styled-content>: 30 lesions). We then analyzed the therapeutic outcomes between them.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>There were no significant differences between the <jats:styled-content style=\"fixed-case\">EMR<\/jats:styled-content> and <jats:styled-content style=\"fixed-case\">ESD<\/jats:styled-content> groups with regard to age, sex, location of the lesion, and histology. The most frequent gross types resected by <jats:styled-content style=\"fixed-case\">EMR<\/jats:styled-content> and <jats:styled-content style=\"fixed-case\">ESD<\/jats:styled-content> were 0\u2010<jats:styled-content style=\"fixed-case\">IIa<\/jats:styled-content> and 0\u2010<jats:styled-content style=\"fixed-case\">IIc<\/jats:styled-content>, respectively (<jats:italic>P<\/jats:italic>\u2009=\u20090.004). Median procedure time was significantly longer in <jats:styled-content style=\"fixed-case\">ESD<\/jats:styled-content> than in <jats:styled-content style=\"fixed-case\">EMR<\/jats:styled-content>, 79.5 and 9\u2009min, respectively (<jats:italic>P<\/jats:italic>\u2009&lt;\u20090.001). R0 resection was achieved in 10 cases by <jats:styled-content style=\"fixed-case\">EMR<\/jats:styled-content> (59%) and in 27 cases by <jats:styled-content style=\"fixed-case\">ESD<\/jats:styled-content> (90%) (<jats:italic>P<\/jats:italic>\u2009=\u20090.017). No complications occurred in cases that underwent <jats:styled-content style=\"fixed-case\">EMR<\/jats:styled-content>, but immediate and delayed perforations occurred in three patients who underwent <jats:styled-content style=\"fixed-case\">ESD<\/jats:styled-content>, although this difference was not statistically significant (<jats:italic>P<\/jats:italic>\u2009=\u20090.467).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Using our indication criteria, which limited lesion size to \u226420\u2009mm, satisfactory therapeutic outcomes of <jats:styled-content style=\"fixed-case\">ER<\/jats:styled-content> of <jats:styled-content style=\"fixed-case\">SNADT<\/jats:styled-content> were obtained.<\/jats:p><\/jats:sec>","DOI":"10.1111\/den.12273","type":"journal-article","created":{"date-parts":[[2014,4,21]],"date-time":"2014-04-21T03:12:32Z","timestamp":1398049952000},"page":"50-56","source":"Crossref","is-referenced-by-count":100,"title":["Therapeutic outcomes of endoscopic resection for superficial non\u2010ampullary duodenal tumor"],"prefix":"10.1111","volume":"26","author":[{"given":"Yorimasa","family":"Yamamoto","sequence":"first","affiliation":[{"name":"Division of Gastroenterology Cancer Institute Hospital  Tokyo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Natsuko","family":"Yoshizawa","sequence":"additional","affiliation":[{"name":"Division of Gastroenterology Cancer Institute Hospital  Tokyo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hideomi","family":"Tomida","sequence":"additional","affiliation":[{"name":"Division of Gastroenterology Cancer Institute Hospital  Tokyo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Junko","family":"Fujisaki","sequence":"additional","affiliation":[{"name":"Division of Gastroenterology Cancer Institute Hospital  Tokyo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Masahiro","family":"Igarashi","sequence":"additional","affiliation":[{"name":"Division of Gastroenterology Cancer Institute Hospital  Tokyo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2014,4,20]]},"reference":[{"key":"e_1_2_6_2_1","first-page":"1183","article-title":"[Duodenal polyps. 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