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This case report outlines the clinical presentation and radiological findings of an infant who had an antenatally detected intra-abdominal cystic mass, thought to be a choledochal cyst.<\/jats:p>","DOI":"10.1136\/bcr-2021-246081","type":"journal-article","created":{"date-parts":[[2022,2,28]],"date-time":"2022-02-28T10:50:15Z","timestamp":1646045415000},"page":"e246081","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":3,"title":["Cystic biliary atresia in a neonate with antenatally detected abdominal cyst"],"prefix":"10.1136","volume":"15","author":[{"given":"Dafalla","family":"Rahamtalla","sequence":"first","affiliation":[{"name":"Child Health Department, Sultan Qaboos University Hospital, Muscat, Oman"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yusriya","family":"Al Rawahi","sequence":"additional","affiliation":[{"name":"Child Health Department, Sultan Qaboos University Hospital, Muscat, Oman"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Zabah Muhammad","family":"Jawa","sequence":"additional","affiliation":[{"name":"Radiology and Molecular Imaging, Sultan Qaboos University, Muscat, Oman"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4275-4524","authenticated-orcid":false,"given":"Yasser","family":"Wali","sequence":"additional","affiliation":[{"name":"Child Health Department, Sultan Qaboos University Hospital, Muscat, Oman"},{"name":"Faculty of Medicine, Alexandria University, Alexandria, Egypt"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"239","published-online":{"date-parts":[[2022,2,28]]},"reference":[{"key":"2025082707482591000_15.2.e246081.1","doi-asserted-by":"crossref","first-page":"1704","DOI":"10.1016\/S0140-6736(09)60946-6","article-title":"Biliary atresia","volume":"374","author":"Hartley","year":"2009","journal-title":"The Lancet"},{"key":"2025082707482591000_15.2.e246081.2","doi-asserted-by":"crossref","first-page":"FSO466","DOI":"10.2144\/fsoa-2019-0153","article-title":"Biliary atresia: pathology, etiology and pathogenesis","volume":"6","author":"Vij","year":"2020","journal-title":"Future Sci OA"},{"key":"2025082707482591000_15.2.e246081.3","doi-asserted-by":"publisher","DOI":"10.1016\/j.jpedsurg.2007.12.058"},{"key":"2025082707482591000_15.2.e246081.4","doi-asserted-by":"publisher","DOI":"10.1097\/MPG.0000000000001334"},{"key":"2025082707482591000_15.2.e246081.5","doi-asserted-by":"crossref","first-page":"415","DOI":"10.1016\/j.radcr.2018.01.025","article-title":"Cystic biliary atresia: a distinct clinical entity that may mimic choledochal cyst","volume":"13","author":"Schooler","year":"2018","journal-title":"Radiol Case Rep"},{"key":"2025082707482591000_15.2.e246081.6","doi-asserted-by":"publisher","DOI":"10.1016\/j.jpeds.2012.04.066"},{"key":"2025082707482591000_15.2.e246081.7","doi-asserted-by":"crossref","first-page":"354","DOI":"10.1097\/PAS.0000000000000805","article-title":"Cystic biliary atresia and choledochal cysts are distinct histopathologic entities","volume":"41","author":"Lobeck","year":"2017","journal-title":"Am J Surg Pathol"},{"key":"2025082707482591000_15.2.e246081.8","doi-asserted-by":"crossref","first-page":"833","DOI":"10.7863\/jum.2012.31.6.833","article-title":"Objective differential characteristics of cystic biliary atresia and choledochal cysts in neonates and young infants: sonographic findings","volume":"31","author":"Zhou","year":"2012","journal-title":"J Ultrasound Med"},{"key":"2025082707482591000_15.2.e246081.9","doi-asserted-by":"crossref","first-page":"644","DOI":"10.1097\/00000658-199411000-00007","article-title":"Choledochal cyst disease. 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