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Ultrasonography, CT and MRI can assist in making a preoperative diagnosis; however, intraoperative diagnosis is common and histological examination is required for confirmation. In this case, the congenital anomaly was identified intraoperatively and managed surgically. Increased awareness of this rare congenital entity among clinicians can aid in early recognition and appropriate surgical planning.<\/jats:p>","DOI":"10.1136\/bcr-2025-268155","type":"journal-article","created":{"date-parts":[[2026,1,30]],"date-time":"2026-01-30T11:25:25Z","timestamp":1769772325000},"page":"e268155","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":0,"title":["Perforated jejunal duplication cyst in an adult: diagnosis and management"],"prefix":"10.1136","volume":"19","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-5061-0902","authenticated-orcid":false,"given":"Vikram","family":"Saini","sequence":"first","affiliation":[{"name":"Department of Surgical Discipline, All India Institute of Medical Sciences Bathinda, Bathinda, Punjab, India"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Parshant","family":"Kumar","sequence":"additional","affiliation":[{"name":"Department of Surgical Discipline, All India Institute of Medical Sciences Bathinda, Bathinda, Punjab, India"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ujwal","family":"Chander","sequence":"additional","affiliation":[{"name":"Surgery, Maharaja Agrasen Medical College, Hissar, Haryana, India"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Megha","family":"Saini","sequence":"additional","affiliation":[{"name":"Anesthesia, Pandit Madan Mohan Malviya Hospital, Delhi, Delhi, India"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Shubham","family":"Mehtani","sequence":"additional","affiliation":[{"name":"Surgery, Maharaja Agrasen Medical College, Hissar, Haryana, India"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"239","published-online":{"date-parts":[[2026,1,30]]},"reference":[{"key":"2026013003251761000_19.1.e268155.1","doi-asserted-by":"publisher","DOI":"10.1148\/radiographics.13.5.8210590"},{"key":"2026013003251761000_19.1.e268155.2","first-page":"11","article-title":"Enteric Duplication Cysts in Children: A Clinicopathological Dilemma","volume":"9","author":"Sharma","year":"2015","journal-title":"J Clin Diagn Res"},{"key":"2026013003251761000_19.1.e268155.3","doi-asserted-by":"crossref","first-page":"94","DOI":"10.5223\/pghn.2017.20.2.94","article-title":"Cysts of Gastrointestinal Origin in Children: Varied Presentation","volume":"20","author":"Tiwari","year":"2017","journal-title":"Pediatr Gastroenterol Hepatol Nutr"},{"key":"2026013003251761000_19.1.e268155.4","doi-asserted-by":"crossref","unstructured":"Ricketts RR . 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