{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,8,28]],"date-time":"2025-08-28T10:10:18Z","timestamp":1756375818421,"version":"3.44.0"},"reference-count":12,"publisher":"BMJ","issue":"7","content-domain":{"domain":["bmj.com"],"crossmark-restriction":true},"short-container-title":["BMJ Case Rep"],"accepted":{"date-parts":[[2025,7,6]]},"published-print":{"date-parts":[[2025,7]]},"abstract":"<jats:p>We report a rare presentation of anterograde small bowel intussusception post-single anastomosis gastric bypass (SAGB). Small bowel intussusception is a recognised and potentially serious complication of Roux en Y gastric bypass surgery where the jejuno-jejunal anastomosis acts as a lead point and there is retrograde intussusception of the biliary-pancreatic limb proximally. Intussusception post-SAGB is considered far less likely given the absence of a jejuno-jejunal anastomosis. In this case, histopathological examination revealed a submucosal leiomyoma that was not visible on pre-operative imaging. This case highlights that small bowel intussusception can also occur post-SAGB and a high degree of suspicion for a benign lead point is required to avoid potentially serious complications. Furthermore, as a tumour entity is more likely to be the cause of the intussusception, small bowel resection should be considered. In the case presented here, an urgent small bowel resection was undertaken with excellent clinical outcomes.<\/jats:p>","DOI":"10.1136\/bcr-2025-266163","type":"journal-article","created":{"date-parts":[[2025,7,25]],"date-time":"2025-07-25T09:25:26Z","timestamp":1753435526000},"page":"e266163","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":0,"title":["Adult small bowel anterograde intussusception post-SAGB: leiomyoma as lead point"],"prefix":"10.1136","volume":"18","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-7699-5911","authenticated-orcid":false,"given":"Conor","family":"Mullen","sequence":"first","affiliation":[{"name":"St Vincent\u2019s Healthcare Group Ltd, Dublin, Ireland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Andrea","family":"Grealish","sequence":"additional","affiliation":[{"name":"St Vincent\u2019s Healthcare Group Ltd, Dublin, Ireland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Waqas","family":"Butt","sequence":"additional","affiliation":[{"name":"St Vincent\u2019s Healthcare Group Ltd, Dublin, Ireland"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"239","published-online":{"date-parts":[[2025,7,25]]},"reference":[{"key":"2025082802473592000_18.7.e266163.1","doi-asserted-by":"crossref","DOI":"10.1136\/bcr-2021-243787","article-title":"Jejunojejunal intussusception in an adult: a rare presentation of abdominal pain in the emergency department","volume":"14","author":"Al Zaabi","year":"2021","journal-title":"BMJ Case Rep"},{"key":"2025082802473592000_18.7.e266163.2","doi-asserted-by":"crossref","first-page":"235","DOI":"10.1007\/s00423-024-03429-2","article-title":"Adult intussusception: a systematic review of current literature","volume":"409","author":"T Chand","year":"2024","journal-title":"Langenbecks Arch Surg"},{"key":"2025082802473592000_18.7.e266163.3","doi-asserted-by":"crossref","first-page":"4907","DOI":"10.1016\/j.radcr.2022.09.068","article-title":"Lipoma lead point intussusception in an adult: A case report","volume":"17","author":"Waack","year":"2022","journal-title":"Radiol Case Rep"},{"key":"2025082802473592000_18.7.e266163.4","doi-asserted-by":"publisher","DOI":"10.1007\/s11695-014-1369-9"},{"key":"2025082802473592000_18.7.e266163.5","doi-asserted-by":"crossref","first-page":"2194","DOI":"10.1007\/s11695-023-06602-6","article-title":"Comparison of Efficacy and Safety Between Roux-en-Y Gastric Bypass (RYGB) vs One Anastomosis Gastric Bypass (OAGB) vs Single Anastomosis Duodeno-ileal Bypass with Sleeve Gastrectomy (SADI-S): a Systematic Review of Bariatric and Metabolic Surgery","volume":"33","author":"Balamurugan","year":"2023","journal-title":"Obes Surg"},{"key":"2025082802473592000_18.7.e266163.6","doi-asserted-by":"crossref","first-page":"2204","DOI":"10.1007\/s00464-019-07009-0","article-title":"S054: incidence and management of jejunojejunal intussusception after Roux-en-Y gastric bypass: a large case series","volume":"34","author":"Orthopoulos","year":"2020","journal-title":"Surg Endosc"},{"key":"2025082802473592000_18.7.e266163.7","doi-asserted-by":"crossref","first-page":"e488","DOI":"10.1177\/000313481908500922","article-title":"Retrograde Intussusception after Roux-en-Y Gastric Bypass","volume":"85","author":"Stadsvold","year":"2019","journal-title":"Am Surg"},{"key":"2025082802473592000_18.7.e266163.8","doi-asserted-by":"crossref","DOI":"10.1093\/jscr\/rjy248","article-title":"Acute anterograde intussusception as a late complication of distal gastric bypass","volume":"2018","author":"Mocanu","year":"2018","journal-title":"J Surg Case Rep"},{"key":"2025082802473592000_18.7.e266163.9","article-title":"Intussusception after laparoscopic gastric bypass surgery: an underrecognized complication","volume":"2012","author":"Singla","year":"2012","journal-title":"Minim Invasive Surg"},{"key":"2025082802473592000_18.7.e266163.10","doi-asserted-by":"crossref","first-page":"270","DOI":"10.1016\/j.ijscr.2019.06.014","article-title":"Intussusception after laparoscopic one anastomosis gastric bypass: A rare complication","volume":"60","author":"Al Sulaiti","year":"2019","journal-title":"Int J Surg Case Rep"},{"key":"2025082802473592000_18.7.e266163.11","doi-asserted-by":"publisher","DOI":"10.1097\/00004836-200301000-00007"},{"key":"2025082802473592000_18.7.e266163.12","doi-asserted-by":"crossref","first-page":"4632","DOI":"10.1007\/s00464-020-07889-7","article-title":"S146-Jejunojejunal intussusception after roux-En-Y gastric bypass: a case series of 34 patients","volume":"35","author":"Poliakin","year":"2021","journal-title":"Surg Endosc"}],"container-title":["BMJ Case Reports"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/syndication.highwire.org\/content\/doi\/10.1136\/bcr-2025-266163","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,8,28]],"date-time":"2025-08-28T09:47:46Z","timestamp":1756374466000},"score":1,"resource":{"primary":{"URL":"https:\/\/casereports.bmj.com\/lookup\/doi\/10.1136\/bcr-2025-266163"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2025,7]]},"references-count":12,"journal-issue":{"issue":"7","published-online":{"date-parts":[[2025,7,25]]},"published-print":{"date-parts":[[2025,7]]}},"alternative-id":["10.1136\/bcr-2025-266163"],"URL":"https:\/\/doi.org\/10.1136\/bcr-2025-266163","relation":{},"ISSN":["1757-790X"],"issn-type":[{"type":"electronic","value":"1757-790X"}],"subject":[],"published":{"date-parts":[[2025,7]]}}}