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Subsequently, a double\u2010balloon endoscopy was performed, which revealed a submucosal mass\u2010like lesion in the jejunum. Although hemostasis was attempted with clips, complete hemostasis was difficult to achieve, and angiographic embolization was performed. Nevertheless, the anemia progressed, and a small bowel resection was performed. Histopathological examination led to a diagnosis of a ruptured submucosal aneurysm of the small intestine. Endoscopic hemostasis is often difficult to achieve for submucosal aneurysms in the intestine. The submucosal tumor\u2010like finding observed on endoscopy in submucosal aneurysms is termed an \u201cSMT\u2010like sign\u201d and is considered an important finding to diagnose aneurysms.<\/jats:p>","DOI":"10.1002\/deo2.335","type":"journal-article","created":{"date-parts":[[2024,1,23]],"date-time":"2024-01-23T00:46:10Z","timestamp":1705970770000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["A case of small bowel aneurysm hemorrhage with submucosal tumor\u2010like findings"],"prefix":"10.1002","volume":"4","author":[{"given":"Susumu","family":"Banjoya","sequence":"first","affiliation":[{"name":"Department of Gastrointestinal Endoscopy NTT Medical Center Tokyo  Tokyo Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yohei","family":"Minato","sequence":"additional","affiliation":[{"name":"Department of Gastrointestinal Endoscopy NTT Medical Center Tokyo  Tokyo Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yoshiaki","family":"Kimoto","sequence":"additional","affiliation":[{"name":"Department of Gastrointestinal Endoscopy NTT Medical Center Tokyo  Tokyo Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yuki","family":"Kano","sequence":"additional","affiliation":[{"name":"Department of Gastrointestinal Endoscopy NTT Medical Center Tokyo  Tokyo Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Takashi","family":"Sakuno","sequence":"additional","affiliation":[{"name":"Department of Gastrointestinal Endoscopy NTT Medical Center Tokyo  Tokyo Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kohei","family":"Ono","sequence":"additional","affiliation":[{"name":"Department of Gastrointestinal Endoscopy NTT Medical Center Tokyo  Tokyo Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Marie","family":"Osawa","sequence":"additional","affiliation":[{"name":"Department of Radiology NTT Medical Center Tokyo  Tokyo Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Hajime","family":"Horiuchi","sequence":"additional","affiliation":[{"name":"Department of Diagnostic Pathology NTT Medical Center Tokyo  Tokyo Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Teppei","family":"Morikawa","sequence":"additional","affiliation":[{"name":"Department of Diagnostic Pathology NTT Medical Center Tokyo  Tokyo Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0288-0366","authenticated-orcid":false,"given":"Ken","family":"Ohata","sequence":"additional","affiliation":[{"name":"Department of Gastrointestinal Endoscopy NTT Medical Center Tokyo  Tokyo Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2024,1,22]]},"reference":[{"key":"e_1_2_7_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0889-8553(21)00119-9"},{"key":"e_1_2_7_3_1","doi-asserted-by":"publisher","DOI":"10.1038\/ajg.2015.246"},{"key":"e_1_2_7_4_1","doi-asserted-by":"publisher","DOI":"10.1007\/s12328-016-0639-6"},{"key":"e_1_2_7_5_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.gie.2007.08.005"},{"key":"e_1_2_7_6_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0046-8177(88)80006-6"},{"key":"e_1_2_7_7_1","doi-asserted-by":"publisher","DOI":"10.4253\/wjge.v8.i14.496"},{"key":"e_1_2_7_8_1","doi-asserted-by":"publisher","DOI":"10.3400\/avd.ra.13-00045"},{"key":"e_1_2_7_9_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.jvs.2020.01.039"}],"container-title":["DEN Open"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/pdf\/10.1002\/deo2.335","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,8,13]],"date-time":"2025-08-13T06:48:51Z","timestamp":1755067731000},"score":1,"resource":{"primary":{"URL":"https:\/\/onlinelibrary.wiley.com\/doi\/10.1002\/deo2.335"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2024,1,22]]},"references-count":8,"journal-issue":{"issue":"1","published-print":{"date-parts":[[2024,4]]}},"alternative-id":["10.1002\/deo2.335"],"URL":"https:\/\/doi.org\/10.1002\/deo2.335","archive":["Portico"],"relation":{},"ISSN":["2692-4609","2692-4609"],"issn-type":[{"value":"2692-4609","type":"print"},{"value":"2692-4609","type":"electronic"}],"subject":[],"published":{"date-parts":[[2024,1,22]]},"assertion":[{"value":"2023-12-12","order":0,"name":"received","label":"Received","group":{"name":"publication_history","label":"Publication History"}},{"value":"2024-01-11","order":2,"name":"accepted","label":"Accepted","group":{"name":"publication_history","label":"Publication History"}},{"value":"2024-01-22","order":3,"name":"published","label":"Published","group":{"name":"publication_history","label":"Publication History"}}],"article-number":"e335"}}