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We report two cases of CBA that were difficult to diagnose. Case 1 involved a 32\n                    <jats:sup>+2<\/jats:sup>\n                    \u2010week\u2010old infant with ABO incompatibility and conjugated hyperbilirubinemia. Ultrasound suggested CC, but magnetic resonance cholangiopancreatography (MRCP) indicated CBA, confirmed by intraoperative cholangiogram. The infant underwent Kasai hepatoportoenterostomy (KHPE) and is now 2 years old with normal liver function. Case 2 involved a 17\u2010day\u2010old infant with hyperbilirubinemia and pigmented stools. Ultrasound and MRCP suggested CC or CBA, confirmed as CBA through intraoperative cholangiogram. The infant underwent KHPE but later required liver transplantation due to cirrhosis and is now 2 years old with normal liver function. Early diagnosis and timely surgical intervention are crucial for managing CBA, with KHPE being the treatment of choice if performed within 30\u201345 days of life.\n                  <\/jats:p>","DOI":"10.1002\/jpr3.70137","type":"journal-article","created":{"date-parts":[[2025,12,26]],"date-time":"2025-12-26T10:36:26Z","timestamp":1766745386000},"page":"355-361","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Diagnostic dilemma of cystic biliary atresia: A series of two cases and brief review of the diagnostic modalities"],"prefix":"10.1002","volume":"7","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-7024-974X","authenticated-orcid":false,"given":"Hamza Hassan","family":"Khan","sequence":"first","affiliation":[{"name":"Division of Pediatric Gastroenterology, Department of Pediatrics, Shawn Jenkins Children's Hospital Medical University of South Carolina Charleston South Carolina USA"},{"name":"Division of Pediatric Gastroenterology, Department of Pediatrics, Arkansas Children's Hospital University of Arkansas for Medical Sciences Little Rock Arkansas USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Leslie Hirsig","family":"Spence","sequence":"additional","affiliation":[{"name":"Division of Pediatric Radiology, Department of Radiology, Shawn Jenkins Children's Hospital Medical University of South Carolina Charleston South Carolina USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Nagraj","family":"Kasi","sequence":"additional","affiliation":[{"name":"Division of Pediatric Gastroenterology, Department of Pediatrics, Shawn Jenkins Children's Hospital Medical University of South Carolina Charleston South Carolina USA"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2025,12,26]]},"reference":[{"key":"e_1_2_6_2_1","unstructured":"BezerraJA.National Organization for Rare Disorders. 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