{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,8]],"date-time":"2026-05-08T08:10:07Z","timestamp":1778227807042,"version":"3.51.4"},"reference-count":25,"publisher":"Georg Thieme Verlag KG","issue":"CP","license":[{"start":{"date-parts":[[2026,4,12]],"date-time":"2026-04-12T00:00:00Z","timestamp":1775952000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Endosc Int Open"],"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>Detection and management of recurrence after piecemeal endoscopic mucosal resection (p-EMR) of large colorectal polyps is crucial for preventing post-colonoscopy colorectal cancer. Colonoscopy assisted with artificial intelligence systems for lesion detection (CADe) has shown efficacy in identifying polyps, particularly small lesions (&lt; 10 mm). Our aim was to evaluate sensitivity and negative predictive value of CADe compared with endoscopists in detecting recurrence after p-EMR.<\/jats:p>\n                  <jats:p>Sixty-six pseudo anonymized high-quality videos (25 with recurrence and 15 with previously clipped defects) of &gt; 15 mm polyps post-EMR scars were assessed. Recurrence size was &lt; 10 mm in 19 of 25 cases (76.0%). Six endoscopists\u2014three experts and three non-experts\u2014predicted recurrence (yes\/no) with confidence level (high\/low). The same videos were analyzed with CAD-e detection mode superimposed. The gold standard was histopathology.<\/jats:p>\n                  <jats:p>Endoscopists had higher sensitivity than CADe (96.0% vs 72.0%; P = 0.03). Experts performed better than non-experts in ruling out recurrence (specificity: 92.7% vs 58.5%; P = 0.001) and accuracy (92.4% vs 72.7%; P &lt; 0.001). In non-clipped defects, endoscopists maintained higher sensitivity than CADe (95.0% vs 65.0%; P = 0.03). Concordance was moderate overall (Kappa 0.57) but substantial among experts (0.70) and when excluding clipped defects (0.61)<\/jats:p>\n                  <jats:p>Endoscopists outperformed CADe in interrogating post-EMR scars. Training CADe with images of post-polypectomy scars may further improve its performance.<\/jats:p>","DOI":"10.1055\/a-2840-7149","type":"journal-article","created":{"date-parts":[[2026,4,12]],"date-time":"2026-04-12T22:30:32Z","timestamp":1776033032000},"source":"Crossref","is-referenced-by-count":0,"special_numbering":"S","title":["Performance of an artificial intelligence system versus endoscopists for interrogation of scars after piecemeal endoscopic mucosal resection"],"prefix":"10.1055","volume":"14","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-7488-7765","authenticated-orcid":false,"given":"Oswaldo","family":"Ortiz","sequence":"additional","affiliation":[{"name":"Universitat de Barcelona, Spain","place":["Barcelona"],"department":["Hospital Clinic Barcelona, Gastroenterology Department, Endoscopy Unit"]},{"name":"Universitat de Barcelona, Barcelona, Spain","place":["Barcelona"],"department":["Faculty of Medicine and Health Sciences"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2852-2591","authenticated-orcid":false,"given":"Ricard","family":"Prat","sequence":"additional","affiliation":[{"name":"Universitat de Barcelona, Spain","place":["Barcelona"],"department":["Hospital Clinic Barcelona, Gastroenterology Department, Endoscopy Unit"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Guillem","family":"Soy","sequence":"additional","affiliation":[{"name":"Universitat de Barcelona, Spain","place":["Barcelona"],"department":["Hospital Clinic Barcelona, Gastroenterology Department, Endoscopy Unit"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Alex","family":"Bofill","sequence":"additional","affiliation":[{"name":"Universitat de Barcelona, Spain","place":["Barcelona"],"department":["Hospital Clinic Barcelona, Gastroenterology Department, Endoscopy Unit"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Joan","family":"Llach","sequence":"additional","affiliation":[{"name":"Universitat de Barcelona, Spain","place":["Barcelona"],"department":["Hospital Clinic Barcelona, Gastroenterology Department, Endoscopy Unit"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5636-8865","authenticated-orcid":false,"given":"Maria","family":"Daca-Alvarez","sequence":"additional","affiliation":[{"name":"Universitat de Barcelona, Spain","place":["Barcelona"],"department":["Hospital Clinic Barcelona, Gastroenterology Department, Endoscopy Unit"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Francesc","family":"Balaguer","sequence":"additional","affiliation":[{"name":"Universitat de Barcelona, Spain","place":["Barcelona"],"department":["Hospital Clinic Barcelona, Gastroenterology Department, Endoscopy Unit"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Angelo","family":"Brunori","sequence":"additional","affiliation":[{"name":"Universitat de Barcelona, Spain","place":["Barcelona"],"department":["Hospital Clinic Barcelona, Gastroenterology Department, Endoscopy Unit"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hardeep","family":"Kumari","sequence":"additional","affiliation":[{"name":"Universitat de Barcelona, Spain","place":["Barcelona"],"department":["Hospital Clinic Barcelona, Gastroenterology Department, Endoscopy Unit"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Romina","family":"Vergara","sequence":"additional","affiliation":[{"name":"Universitat de Barcelona, Spain","place":["Barcelona"],"department":["Hospital Clinic Barcelona, Gastroenterology Department, Endoscopy Unit"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1288-6462","authenticated-orcid":false,"given":"Liseth","family":"Rivero-S\u00e1nchez","sequence":"additional","affiliation":[{"name":"Universitat de Barcelona, Spain","place":["Barcelona"],"department":["Hospital Clinic Barcelona, Gastroenterology Department, Endoscopy Unit"]},{"name":"Institut d'Investigacions Biomediques August Pi i Sunyer (IDIBAPS), Spain","place":["Barcelona"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9739-4998","authenticated-orcid":false,"given":"Maria","family":"Pellis\u00e9","sequence":"additional","affiliation":[{"name":"Universitat de Barcelona, Spain","place":["Barcelona"],"department":["Hospital Clinic Barcelona, Gastroenterology Department, Endoscopy 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