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The routine gastric endoscope and colonic endoscope showed no positive findings. Abdominal CT scan indicated intussusception due to the \"doughnut\" sign, but the patient had no typical symptoms. Two subsequent capsule endoscopes revealed a protruding lesion with bleeding in the distal ileum. Surgical resection was performed and revealed a case of SIDC measuring 6 * 2\u00a0cm located inside the ileum cavity. The patient remained symptom-free throughout a 7-year follow-up period.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>SIDCs located inside the enteric cavity can easily be misdiagnosed as intussusception by routine radiologic examinations.<\/jats:p><\/jats:sec>","DOI":"10.1186\/s12876-021-01627-6","type":"journal-article","created":{"date-parts":[[2021,6,1]],"date-time":"2021-06-01T15:34:29Z","timestamp":1622561669000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":9,"title":["Small intestine duplication cyst with recurrent hematochezia: a case report and literature review"],"prefix":"10.1186","volume":"21","author":[{"given":"Zhicheng","family":"Zhang","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xiaowei","family":"Huang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Qian","family":"Chen","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Demin","family":"Li","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Qi","family":"Zhou","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jinjin","family":"Huang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yongdong","family":"Feng","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Junbo","family":"Hu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hua","family":"Qin","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2021,6,1]]},"reference":[{"key":"1627_CR1","doi-asserted-by":"publisher","first-page":"14263","DOI":"10.3748\/wjg.v20.i39.14263","volume":"20","author":"J Pati\u00f1o Mayer","year":"2014","unstructured":"Pati\u00f1o Mayer J, Bettolli M. 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