{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,29]],"date-time":"2026-04-29T02:51:42Z","timestamp":1777431102313,"version":"3.51.4"},"reference-count":12,"publisher":"BMJ","issue":"4","content-domain":{"domain":["bmj.com"],"crossmark-restriction":true},"short-container-title":["BMJ Case Rep"],"accepted":{"date-parts":[[2023,3,24]]},"published-print":{"date-parts":[[2023,4]]},"abstract":"<jats:p>Rectosigmoid intussusception is a rare cause of bowel obstruction, accounting for only approximately 1%\u20132% of all bowel obstruction cases. While intussusception in adults typically occurs intra-abdominally and presents with signs and symptoms of intestinal obstruction, in rare cases, it can mimic a rectal prolapse if the intussusceptum protrudes through the anal canal. We herein report a case where an octogenarian woman presented with rectosigmoid intussusception through the anal canal, due to a sigmoid colon submucosal lipoma, who eventually required an open Hartmann\u2019s procedure. Patients with rectal prolapse symptoms should be carefully examined to rule out intussuscepting masses as a differential, as it would necessitate earlier surgical intervention.<\/jats:p>","DOI":"10.1136\/bcr-2023-254836","type":"journal-article","created":{"date-parts":[[2023,4,13]],"date-time":"2023-04-13T13:31:23Z","timestamp":1681392683000},"page":"e254836","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":2,"title":["Rectosigmoid intussusception due to large submucosal lipoma mimicking rectal prolapse"],"prefix":"10.1136","volume":"16","author":[{"given":"Tian Qin Kerry","family":"Cao","sequence":"first","affiliation":[{"name":"General Surgery, Tan Tock Seng Hospital, Singapore"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jia Yi","family":"Yeo","sequence":"additional","affiliation":[{"name":"General Surgery, Tan Tock Seng Hospital, Singapore"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-7174-1709","authenticated-orcid":false,"given":"Chern Yue Glen","family":"Ong","sequence":"additional","affiliation":[{"name":"Diagnostic Radiology, Tan Tock Seng Hospital, Singapore"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9632-7344","authenticated-orcid":false,"given":"Ming Ngan Aloysius","family":"Tan","sequence":"additional","affiliation":[{"name":"General Surgery, Tan Tock Seng Hospital, Singapore"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"239","published-online":{"date-parts":[[2023,4,13]]},"reference":[{"key":"2025082803521557000_16.4.e254836.1","doi-asserted-by":"crossref","DOI":"10.1136\/bcr-2013-203281","article-title":"Adult intussusception presenting as rectal prolapse","volume":"2014","author":"Mahmood","year":"2014","journal-title":"BMJ Case 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