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For the histologic and endoscopic diagnosis of SNADETs, understanding the mucin phenotype is inevitable. Recently, two diagnostic algorithms for the differential diagnosis of SNADETs from nonneoplastic lesions under magnifying endoscopy with narrow\u2010band imaging have been proposed. In addition, various endoscopic approaches have been proposed to differentiate low\u2010 and high\u2010grade adenomas\/carcinomas, including white light endoscopy, magnifying image\u2010enhanced endoscopy, and endocytoscopy. These methods, however, have not been standardized with respect to the classification of their findings and the validation of their diagnostic accuracy. Moreover, there are still concerns with respect to the histologic criteria required to establish a SNADETs diagnosis. Standardization in the histologic and endoscopic diagnosis of SNADETs is needed.<\/jats:p>","DOI":"10.1111\/den.14514","type":"journal-article","created":{"date-parts":[[2023,1,10]],"date-time":"2023-01-10T16:19:44Z","timestamp":1673367584000},"page":"574-583","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":7,"title":["Current status and perspectives for endoscopic diagnosis of superficial nonampullary duodenal epithelial tumors"],"prefix":"10.1111","volume":"35","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-0990-9304","authenticated-orcid":false,"given":"Yosuke","family":"Toya","sequence":"first","affiliation":[{"name":"Division of Gastroenterology and Hepatology, Department of Internal Medicine, School of Medicine Iwate Medical University  Iwate Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Masaki","family":"Endo","sequence":"additional","affiliation":[{"name":"Division of Gastroenterology and 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