{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,27]],"date-time":"2026-08-27T05:41:27Z","timestamp":1787809287326,"version":"build-2784847793"},"reference-count":22,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2019,4,1]],"date-time":"2019-04-01T00:00:00Z","timestamp":1554076800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2019,4,1]],"date-time":"2019-04-01T00:00:00Z","timestamp":1554076800000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["UEG Journal"],"published-print":{"date-parts":[[2019,4]]},"abstract":"Background<\/jats:title>The feasibility and outcome of endoscopic resection in ampullary tumors with intraductal growth remains unclear.<\/jats:p><\/jats:sec>Objective<\/jats:title>To assess the safety, feasibility and outcomes of these patients treated by thermal ablation.<\/jats:p><\/jats:sec>Methods<\/jats:title>Retrospective observational study. All consecutive patients who underwent an endoscopic snare papillectomy with a 6\u2010month minimum follow\u2010up were included. Ablation was performed with cystotomes and soft\/forced coagulation. Successful endoscopic treatment was defined as no adenomatous residual tissue or recurrence observed at follow\u2010up.<\/jats:p><\/jats:sec>Results<\/jats:title>Of 86 patients presenting with an ampullary tumor, 73 (58\u2009\u00b1\u200914 years old, 49% men, 34% familial adenomatous polyposis) (median tumor size: 20\u2009mm, range: 8\u201380) were included. En bloc and curative resection rates were achieved in 46.6% and 83.6%, respectively.<\/jats:p>Intraductal ingrowth was seen in 18 (24.7%) patients and histologically confirmed in 12 (16.4%). Intraductal ablation achieved a 100% success rate, with a 20\u2010month median follow\u2010up. Most of these patients had malignant forms (n<\/jats:italic>\u2009=\u20098, 66.7%), with a higher adenocarcinoma rate (33.3% versus 3.3%, p<\/jats:italic>\u2009=\u20090.001) compared to extraductal tumors.<\/jats:p>Overall, there was a 20.5% complication rate with no significant differences between both groups (p<\/jats:italic>\u2009=\u20090.676).<\/jats:p><\/jats:sec>Conclusions<\/jats:title>Intraductal ablation achieves a high therapeutic success rate in ampullary tumors with \u226420\u2009mm ductal extension, even in malignant forms or biliary and pancreatic involvement. The technique is feasible, cheap and safe and may avoid major surgery.<\/jats:p><\/jats:sec>","DOI":"10.1177\/2050640618817215","type":"journal-article","created":{"date-parts":[[2019,1,12]],"date-time":"2019-01-12T13:58:31Z","timestamp":1547301511000},"page":"369-376","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":33,"title":["Combined excision and ablation of ampullary tumors with biliary or pancreatic intraductal extension is effective even in malignant neoplasms"],"prefix":"10.1002","volume":"7","author":[{"given":"Enrique","family":"P\u00e9rez-Cuadrado-Robles","sequence":"first","affiliation":[{"name":"Department of Hepato-Gastroenterology Cliniques universitaires Saint-Luc Universit\u00e9 Catholique de Louvain Brussels Belgium"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hubert","family":"Piessevaux","sequence":"additional","affiliation":[{"name":"Department of Hepato-Gastroenterology 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