{"title":"A case of the left medial sectional bile duct joining the right hepatic duct.","authors":"Hideki Takahashi, Fumihiko Miura, Shinpei Doi","doi":"10.1093/jscr/rjaf719","DOIUrl":null,"url":null,"abstract":"<p><p>We present a case in which the medial sectional bile duct (B4) drained the right hepatic duct. A 42-year-old man was referred to our hospital after an abdominal ultrasound during a medical check-up revealed a gallbladder polyp. Magnetic resonance cholangiopancreatography did not adequately depict the hepatic hilum bile ducts; therefore, drip infusion cholangiography with computed tomography was performed, which revealed that B4 drained the right hepatic duct. The patient subsequently underwent laparoscopic cholecystectomy. His post-operative course was uneventful, and he was discharged on post-operative Day 3. The confluence of B4 into the right hepatic duct is extremely rare. We report this case along with a brief review of the literature.</p>","PeriodicalId":47321,"journal":{"name":"Journal of Surgical Case Reports","volume":"2025 9","pages":"rjaf719"},"PeriodicalIF":0.5000,"publicationDate":"2025-09-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12423392/pdf/","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Surgical Case Reports","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1093/jscr/rjaf719","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"2025/9/1 0:00:00","PubModel":"eCollection","JCR":"Q4","JCRName":"SURGERY","Score":null,"Total":0}
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Abstract
We present a case in which the medial sectional bile duct (B4) drained the right hepatic duct. A 42-year-old man was referred to our hospital after an abdominal ultrasound during a medical check-up revealed a gallbladder polyp. Magnetic resonance cholangiopancreatography did not adequately depict the hepatic hilum bile ducts; therefore, drip infusion cholangiography with computed tomography was performed, which revealed that B4 drained the right hepatic duct. The patient subsequently underwent laparoscopic cholecystectomy. His post-operative course was uneventful, and he was discharged on post-operative Day 3. The confluence of B4 into the right hepatic duct is extremely rare. We report this case along with a brief review of the literature.
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